baber/WOPTO huggingface dataset:
Patent JP-2023140832-A (JP)
Title: robot hand
Inventor: YOSHIDA TATSUO
IPC: A61F2/58
Filed: 2022-03-23
Abstract: To provide a robot hand which is inexpensive, can be lightweight, and is capable of easy adjustment of a hand angle by rotating a wrist part in two axial direction.SOLUTION: A robot hand W has a wrist mechanism 100 provided at one end part of a hand part 1. The wrist mechanism 100 has: a base part 101; a wrist piece 102 extending from a lower end part of the hand part 1 to the base part 101; a first rotary shaft 130 vertically extending to the base part 101; and a wrist body part 110 rotatably fitted to the base part 101 via the first rotary shaft 130. The wrist body part 11 is provided with a rotary lock mechanism R in which a second rotary shaft 140 extending in the direction orthogonal to the first rotary shaft 130 is provided, a wrist piece 101 is rotatably supported by the second rotary shaft 140, restriction of and restriction release of rotations of the wrist body part 110 relative to the base part 101 are performed, and restriction of and restriction release of the rotations of the wrist piece 102 relative to the wrist body part 110 are performed.SELECTED DRAWING: Figure 1
Patent JP-2023141346-A (JP)
Title: shower head
Inventor: ARATA TOSHIHIKO
IPC: A47K3/28
Filed: 2022-03-23
Abstract: To provide a shower head in which a head part including a transmission part is easy to be replaced, extensibility is high, and wired electrical connection between the head part and a base part is unnecessary.SOLUTION: A shower head 10 includes a head part 2, and a base part 3 to which the head part 2 is mounted in an attachable and detachable manner. The head part 2 includes a non-contact power reception part 24. The base part 3 includes a non-contact power supply part 34. In a state where the head part 2 is mounted to the base part 3, a state is established where a head flow path 21 in the head part 2 and a base flow path 31 in the base part 3 communicate with each other and power reception and supply is enabled between the non-contact power supply part 34 and the non-contact power reception part 24.SELECTED DRAWING: Figure 1
Patent JP-2023142466-A (JP)
Title: Frame structure of rear engine bus
Inventor: HASHIBA HIROYUKI
IPC: B62D25/20
Filed: 2022-03-25
Abstract: To inhibit deformation of a bumper caused by closing operation of an engine lid in a frame structure of a rear engine bus.SOLUTION: In a frame structure 1 of a rear engine bus, an engine lid 2 and a bumper 3 are disposed at a rear surface part of a vehicle body. The frame structure 1 of the rear engine bus includes: a reinforcement 5 to which a striker of the engine lid 2 is attached; and an end member 6 to which the bumper 3 is attached. The end member 6 is formed separately from the reinforcement 5 and disposed at the vehicle body rear relative to the reinforcement 5.SELECTED DRAWING: Figure 2
Patent JP-2023144615-A (JP)
Title: Cartridge, recording device, and method for manufacturing cartridge
Inventor: NODA MASAHITO
IPC: B41J2/175
Filed: 2022-03-28
Abstract: To provide a technology that is able to prevent, with a simple configuration, erroneous mounting of a cartridge.SOLUTION: A cartridge is mountable on a first mounting portion of a recording device and in a predetermined posture. The cartridge includes: a supply port for supplying a liquid in the cartridge to the recording device; and a cover that covers an outer periphery of the supply port and has a recessed part at a position along the outer periphery. The recessed part is fitted on a first projecting part when the cartridge is mounted on the first mounting portion having the first projecting part and in a predetermined posture. When the supply port is rotated to a predetermined angle from the predetermined posture and around a rotation shaft, the recessed part can be fitted on a second projecting part of a second mounting portion different from the first mounting portion, which has the second projecting part provided in a phase different from a phase in which the first projecting part is provided in the first mounting portion. The cartridge is not mounted on the second mounting portion in the predetermined posture.SELECTED DRAWING: Figure 4
Patent JP-2023145005-A (JP)
Title: Environment testing device
Inventor: YAZAKI TOMOHIKO
IPC: G01G21/28
Filed: 2022-03-28
Abstract: To provide an environment testing device capable of easily measuring weight of a sample disposed within an internal space of an environment testing machine.SOLUTION: A ceiling wall of an environment testing machine includes a pair of through holes that penetrates in a vertical direction in a lower part of a pair of overhanging areas of a connection beam member. A pair of suspension members is suspended so as to penetrate a pair of through holes from a pair of overhanging areas to a lower part. A sample placement part is disposed within an internal space of the environment testing machine so as to be supported by the pair of suspension members. The through holes are sealed by a thin sealing member having an insertion hole through which the suspension members are inserted. The sealing member has an inner area for prescribing the insertion hole and an outer area for prescribing an outer peripheral edge, and permits vertical movement of the suspension members by vertical elastic deformability while the inner area is airtightly connected to the suspension members and the outer area is airtightly connected to a ceiling wall so as to maintain airtightness of the internal space.SELECTED DRAWING: Figure 1
Patent JP-2023150723-A (JP)
Title: Die, and sheet forming apparatus
Inventor: KOGA HIROMI
IPC: B29C48/31
Filed: 2022-03-31
Abstract: To easily control a shape of a multi-line sheet-like formed article.SOLUTION: A die 100 converges flows of a first resin material and a second resin material to be supplied so that the second resin material is lined up on both sides in a width direction of the first resin material, and comprises: a main body unit 10 that discharges the converged confluent resin material from a discharge port 45 into a sheet shape; and a temperature regulation unit 50 installed on the main body unit 10 to regulate temperature of the second resin material at least on one side in the width direction of the confluent resin material.SELECTED DRAWING: Figure 3
Patent JP-2023151526-A (JP)
Title: Circuit breaker, circuit breaker control method, and program
Inventor: FUKUDA YASUHIRO
IPC: H02H3/08
Filed: 2022-03-31
Abstract: To improve user friendliness of a circuit breaker.SOLUTION: A semiconductor switch 2 is connected between a first terminal 11 connected to a power supply 91 and a second terminal 12 connected to a load 92. A current detection unit 41 detects a current flowing between the first terminal 11 and the second terminal 12. When a determination condition is met with the semiconductor switch 2 being on, an interruption processing unit 42 turns off the semiconductor switch 2. The determination condition includes that the magnitude of a detection current Id detected by the current detection unit 41 exceeds a prescribed threshold value Ith. A reclosing unit 44 turns on the semiconductor switch 2 at a prescribed timing after the interruption processing unit 42 has turned off the semiconductor switch 2. A determination processing unit 45 determines whether to keep the on state of the semiconductor switch 2 or whether to turn off the semiconductor switch on the basis of the detection current Id detected by the current detection unit 41 after the reclosing unit 44 has turned on the semiconductor switch 2.SELECTED DRAWING: Figure 1
Patent JP-2023152313-A (JP)
Title: Game machine
Inventor: ICHIHARA TAKAAKI
IPC: A63F7/02
Filed: 2022-04-04
Abstract: To provide a game machine which can prevent lowering of the interest in a game.SOLUTION: A game machine can grant a benefit on the basis of a result of a lottery, and includes drawing pattern display means which carries out a variable display of a drawing pattern on the basis of the result of the lottery, storage means which can store, as reservation information, information about the variable display of the drawing pattern not being carried out, reservation display means which carries out a reservation display corresponding to the reservation information, performance execution means which carries out a predetermined performance, and plural pieces of operation means which can receive an operation input from a player. The drawing pattern display means can display a first decorative drawing pattern, and a second decorative drawing pattern smaller in a display area than that of the first decorative drawing pattern. The performance execution means can execute an operation promotion display which promotes an operation of the operation means, and can be controlled to a first special display status which carries out an operation promotion display for promoting an operation with a single piece of operation means, and a second special display status which carries out an operation promotion display for promoting an operation with plural pieces of operation means.SELECTED DRAWING: Figure 570
Patent JP-2022161024-A (JP)
Title: Glove mask
Inventor: YAMAMOTO SACHIKO
IPC: A41D19/01
Filed: 2022-04-04
Abstract: To provide an unconventional glove mask that can restrict inhaling and dispersion of droplets even when a conventional mask that is anchored to a face is not worn and can give elegant impression to others particularly by being used during a meal.SOLUTION: The glove mask is a cloth glove mask that a hand is inserted into when it is put on. The outline of the mask main body is a square, and the outer periphery thereof excluding the part that a hand is inserted into is closed. In addition, the front cloth and the back cloth of the mask main body are partly bonded, thereby dividing the bag inside the mask main body into a bag part that the thumb is inserted into and a bag part that the remaining four fingers are inserted into.SELECTED DRAWING: None
Patent JP-2022088616-A (JP)
Title: Method for preparing drug for use in treatment of malignant tumors selected from group consisting of recurrent gliomas and advanced secondary brain tumors
IPC: A61K31/336
Filed: 2022-04-04
Abstract: PROBLEM TO BE SOLVED: To provide methods and compositions suitable for the treatment of malignant tumors such as recurrent gliomas and advanced secondary brain tumors. 
     SOLUTION: Provided is a method for preparing a drug for the treatment of a malignant tumor selected from relapsed gliomas and progressive secondary brain tumors, the drug having a therapeutically effective amount of hexitol derivative, and the therapeutically effective amount being 10 mg/m 2  to 40 mg/m 2  on each day of the 1st, 2nd, and 3rd days of a 21-day therapeutic cycle. The hexitol derivative is dianhydrogalactitol or diacetyl dianhydrogalactitol. 
     SELECTED DRAWING: None 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2023154748-A (JP)
Title: Specimen analysis cartridge and manufacturing method for the same
Inventor: HORII KAZUYOSHI
IPC: G01N35/00
Filed: 2022-04-08
Abstract: To provide a specimen analysis cartridge and the like with increased liquid leakage durability.SOLUTION: A specimen analysis cartridge includes a first substrate having a microfluidic channel formed on at least one surface thereof, a second substrate arranged opposite the surface on which the microfluidic channel is formed on the first substrate, and a photocurable resin layer by which the first substrate and the second substrate are bonded together. The first and second substrates include at least one of a cyclo-olefin polymer and a cyclo-olefin copolymer.SELECTED DRAWING: Figure 1
Patent JP-2022162998-A (JP)
Title: Two-factor authentication to authenticate users in unconnected devices
Inventor: ELIYAHU RAVUNA
IPC: G06F21/62
Filed: 2022-04-12
Abstract: To provide methods and systems for using two-factor authentication and a mobile (e.g., portable) storage device to authenticate users.SOLUTION: A method of authenticating a user includes connecting to a mobile storage device, which stores an expiration date value and a digital signature of login details, the login details comprising at least a username and the expiration date value, receiving the digital signature and the expiration date value from the mobile storage device, receiving a user input of a personal identification code, verifying the digital signature responsively to the expiration date value and the username to authenticate the expiration date value and the username, checking that the expiration date value has not expired, and providing access to a computing resource logged in under the username responsively to the expiration date value and the username being authenticated, the expiration date value having not expired, and the personal identification code.SELECTED DRAWING: Figure 5
Patent JP-2023156643-A (JP)
Title: Composite diamond-shaped wire mesh
Inventor: ABE TAKESHI
IPC: E01F7/04
Filed: 2022-04-13
Abstract: To provide a composite diamond-shaped wire mesh that is lightweight and has excellent shock absorption performance, which is made by integrating two diamond-shaped wire meshes in a slidable manner.SOLUTION: In a composite diamond-shaped wire mesh 1 of the present invention, in each stage, the first row line 10 and the second row line 20 of the same shape are shifted in the X direction and arranged in parallel, a first lower protruding part 12 on the upper stage does not engage with a second upper protruding part 21 on the lower stage, but engages with a first upper protruding part 11 of the lower stage to form a first engaging part 14, a second lower protruding part 22 on the upper stage does not engage with the first upper protruding 11 on the lower stage but engages with a lower second upper protruding part 21 to form a second engaging part 24, between two first engaging parts 14 adjacent in the X direction, the second engaging part 24 is constrained to slide freely in the X direction.SELECTED DRAWING: Figure 2
Patent JP-2023156685-A (JP)
Title: Game machine
Inventor: OGURA TOSHIO
IPC: A63F7/02
Filed: 2022-04-13
Abstract: To increase merchantability.SOLUTION: A game machine can be controlled to an advantageous state, and includes performance control means, display means, and the like. When switching a background image, a background fade-in display of a second background image is executed along with a background fade-out display of a first background image. An identification information fade-out display is executed when starting a variation display of decorative identification information, and an identification information fade-in display is executed when completing a variable display of decorative identification information. The background fade-out display is longer than the identification information fade-out display. The game machine can display a crack image in a specific display layer, and can display special information regarding a variable display in a special display layer having high priority. A crack image in a first pattern can be displayed in a normal state, and a crack image in a second pattern can be displayed in a special state. A degree of expectation when a crack image in the first pattern is displayed differs from a degree of expectation when a crack image in the second pattern is displayed.SELECTED DRAWING: Figure 89
Patent JP-2023157468-A (JP)
Title: Game machine
Inventor: OKAMURA GEN
IPC: A63F7/02
Filed: 2022-04-15
Abstract: To provide a game machine capable of enhancing interest in a game.SOLUTION: When a special pattern 1 small win is won in "a normal game state A", a game machine is configured such that contents of a rightward shooting informing performance executed by a third pattern display device 81 at opening timing when the small win is won are different depending on whether an expectation value of acquirable putout balls becomes higher when a big win game is generated by allowing balls to pass a specific area 65d by executing a rightward shooting game at a point of time when the small win is won, or an expectation value of acquirable putout balls becomes higher when a dynamic display of a special pattern is executed until a rescue condition satisfaction frequency by returning to "a normal game state A" without generating a big win game without executing a rightward shooting game at a point of time when the small win is won.SELECTED DRAWING: Figure 28
Patent JP-2022087346-A (JP)
Title: Measuring target design and method
IPC: G03F1/70
Filed: 2022-04-18
Abstract: PROBLEM TO BE SOLVED: To provide a detectable measurement result and realize compliance to a production device. 
     SOLUTION: A target design has a periodic structure with a rough pitch, its periodic structure has a group of sub elements exhibiting fine pitch, and has a fluctuation in CD and/or height of the sub elements, and has a periodic structure along an orthogonal direction perpendicular to a measurement direction. The periodic structure has a group of periodic repetitive bars exhibiting unresolved orthogonal pitch, and these bars provide a calibration parameter for achieving good printing target. A periodic structure along the orthogonal direction can be designed to be unresolved on a reticle or can be applied to a notch pattern on a process layer with a relatively low pair notch layer overlay sensitivity. 
     SELECTED DRAWING: Figure 1A 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2022105052-A (JP)
Title: Information processing system, customer identification apparatus, information processing method and program
IPC: G07G1/12
Filed: 2022-04-20
Abstract: PROBLEM TO BE SOLVED: To provide a novel technology for identifying a settlement target using face authentication processing. 
     SOLUTION: According to the present invention, there is provided an information processing system 100 including: an acquisition unit 11 that acquires an image, which is generated by a camera, of a face; a selection unit 14 that extracts a person in the acquired image, and selects a person who performs a settlement process based on at least one of a distance from a checkout apparatus, an appearance frequency, and an appearance period of time in a case where a plurality of persons are extracted; an identification unit 12 that identifies the selected person based on the image in which the person is included, and database information in which a feature value of a face is registered; and a settlement unit (checkout unit 21) that performs the settlement process with respect to the identified person. 
     SELECTED DRAWING: Figure 1 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2023159730-A (JP)
Title: 複合粒子及びその製造方法
IPC: B01J23/644
Filed: 2022-04-20
Abstract: 【課題】コストを低減されながら、触媒性能及び耐久性に優れる複合粒子を提供する。【解決手段】第１の金属酸化物粒子及び第２の金属酸化物粒子を含む複合粒子であって、第１の金属酸化物粒子の粒子径が、第２の金属酸化物粒子の粒子径よりも小さく、複数の第１の金属酸化物粒子が、第２の金属酸化物粒子の表面の少なくとも一部を被覆してコロナ形状を形成しており、かつ第１の金属酸化物粒子が、第２の金属酸化物粒子の表面に対して、エピタキシャル成長している、複合粒子。【選択図】図１
Patent JP-2023160597-A (JP)
Title: 学習プログラム、学習方法および情報処理装置
IPC: G06N3/063
Filed: 2022-04-22
Abstract: 【課題】ネットワークの学習を高速化すること。【解決手段】情報処理装置は、ネットワークに含まれる畳み込み層に、畳み込み層よりも入力側の層から出力された第１入力データに対して、順伝播の畳み込み計算を実行させる。情報処理装置は、ネットワークに含まれるプーリング層に、畳み込み計算の実行結果となる出力データに対して順伝播のプーリング計算を実行させる際、出力データの所定要素毎に、非ゼロ要素の位置を設定したインデックスを生成する。情報処理装置は、畳み込み層に、プーリング層よりも出力側の層から出力された第２入力データと、第１入力データとの逆伝播の畳み込み計算を実行させる際、インデックスと、第１入力データと、第２入力データと基にして、非ゼロ要素の畳み込み計算を実行させ、ゼロ要素の畳み込み計算をスキップさせる。【選択図】図７
Patent JP-2023162711-A (JP)
Title: 撮像装置
IPC: H04N23/60
Filed: 2022-04-27
Abstract: 【課題】  画像の撮影時の周囲の音声、音量および撮影画像に基づいて、画像の投影時のＢＧＭを自動選択する。 
【解決手段】  撮像手段と、音声取得手段と、前記撮像された静止画と前記音声取得手段により取得された音声とを対応付けて記録媒体に記録する記録手段と、前記記録手段により記録された静止画から複数の推奨画像を選択し、映像を生成する映像生成手段と、前記推奨画像に対応した前記音声または前記推奨画像に基づき、前記推奨画像のＢＧＭを選択するＢＧＭ選択手段と、前記ＢＧＭ選択手段により選択されたＢＧＭから、前記映像生成手段により生成された前記映像のＢＧＭを決定するＢＧＭ決定手段と、前記映像生成手段により生成された前記映像を投影する投影手段と、前記ＢＧＭ決定手段により決定されたＢＧＭを、前記投影手段により投影された前記映像のＢＧＭとして出力するＢＧＭ出力手段とを有する。 
【選択図】  図１
Patent JP-2023164206-A (JP)
Title: 発電装置
IPC: F03D9/35
Filed: 2022-04-29
Abstract: 【課題】発電効率を高めることが可能な電力増幅器を提供する。【解決手段】下部から空気を取り込み上部から排気することにより電力を増幅する電力増幅器１００であって、筐体１１０と、筐体１１０の下部から空気を取り込み、上方に送風する送風機１２０と、送風機１２０からの風により回転し電力を増幅する内部回転管１３０と、筐体１１０の上部に設けられる第１発電機１４０と、を備える。内部回転管１３０は、内側が螺旋又は二重螺旋構造であり、第１発電機１４０から吊された状態で設置される。かかる構成によれば、送風機１２０が送り出す送風面積と内部回転管１３０が受ける螺旋部面積により、発電効率を高めることが可能である。【選択図】図１
Patent JP-2022145676-A (JP)
Title: Shoe lace fastener
IPC: A43C11/18
Filed: 2022-05-16
Abstract: PROBLEM TO BE SOLVED: To provide a shoe lace fastener which enables a user to rapidly and easily put on his/her shoes or remove them by dispensing with the motion of tying a shoe lace or fumbling with it, during the wearing of the shoes, and which is best suited to athletic shoes and the like because the shoe lace is not loosened. 
     SOLUTION: A shoe lace fastener 1 comprises first and second thick fastener bodies 2 and 3 that have a shoe lace through-hole 9. The shoe lace fastener has the function of separably connecting it by a magnet 15. The shoe lace through-hole 9 is provided in side surfaces of the fastener bodies 2 and 3. The shoe lace through-hole meandering at least once is provided. 
     SELECTED DRAWING: Figure 1 
     COPYRIGHT: (C)2023,JPO&INPIT
Patent JP-2023169953-A (JP)
Title: 遊技機
IPC: A63F7/02
Filed: 2022-05-18
Abstract: 【課題】動作促進演出に至るまでの演出を盛り上げることができる遊技機を提供する。 
【解決手段】特定演出は、第１特定演出と、該第１特定演出よりも有利状態に制御されやすい第２特定演出と、を含み、第１特定演出は、第１パートおよび第２パートを含んで構成され、第２特定演出は、第１パートおよび第２パートを含んで構成され、第１特定演出における第１パートおよび第２特定演出における第１パートにおいて、所定サイズの文字で構成されるセリフ字幕を表示可能であり、第２特定演出における第２パートにおいて所定サイズよりも大きいサイズの文字で構成される特殊セリフ字幕を表示し、その後遊技者に動作を促す動作促進演出を実行し、第１特定演出における第２パートにおいて特殊セリフ字幕を表示せずセリフ字幕を表示し、その後動作促進演出を実行する。 
【選択図】図８－９
Patent JP-2022180329-A (JP)
Title: Filter cleaner and air treatment device including the same
Inventor: HYON CHINSOO
IPC: B01D46/681
Filed: 2022-05-23
Abstract: To provide a filter cleaner and an air treatment device capable of easily managing a duct container and an agitator installed to the filter cleaner.SOLUTION: A filter cleaner includes housings 302 and 330 that form an outline, are formed with suction holes on one side, and are formed with discharge holes on the other side, a moving gear that is rotatably disposed in the housing and moves the housing, a gear motor that rotates the moving gear, a duct container device 400 that is disposed to be inserted in or drawn out from the housing, stores foreign substances flowing in a suction port, and has an agitator rotatably inside, an agitator gear that is disposed inside the housing and rotates the agitator, an agitator motor that actuates the agitator gear, and a suction device that is disposed inside the housing and flows air into the duct container device through the suction port. When the dust container device is installed in the housing, the agitator gear is coupled to the agitator.SELECTED DRAWING: Figure 7
Patent JP-2023173741-A (JP)
Title: 害獣捕獲具
IPC: A01M23/24
Filed: 2022-05-26
Abstract: 【課題】ワイヤガイドの立ち上げ付勢力を調整可能とし、装着セット時における作業者の危険性を可及的に低減することのできる害獣捕獲具を提供する。【解決手段】水平フランジ１２を有する略方形の外形基枠体１０と、水平フランジ１２に垂直に螺合挿貫した調整ピン１３と、を有する捕獲機構本体１と、ワイヤガイド支持フランジ２１を立設した踏板２０と、ワイヤガイド支持フランジ２１に枢支部２３を介して枢支したワイヤガイド２２と、左右のワイヤガイド２２の先端部に架設した跳ね上げ付勢バネ２４と、を有するワイヤガイド機構２と、より構成し、ワイヤガイド２２の先端部を外形基枠体１０に当接担持するとともに、外形基枠体１０に収納した踏板２０の上下位置を調整ピン１３で調整可能とした。【選択図】図１
Patent JP-2023176714-A (JP)
Title: 遊技機
IPC: A63F7/02
Filed: 2022-05-31
Abstract: 【課題】可動部材および電気部品のメンテナンス作業を容易に行うことが可能な遊技機を提供すること。【解決手段】左装飾部材８７および複数のLED８６をメンテナンスするに際しては内枠３を遊技盤から取外すことに応じて開口部３hを開放状態とし、開口部３hを通して左ベース８１の内枠３に対する係合を解除することに応じて左装飾部材８７および複数のLED８６を一挙に内枠３から取外すことができるので、左装飾部材８７および複数のLED８６のメンテナンス作業を容易に行うことが可能となる。【選択図】図１１
Patent JP-2023177837-A (JP)
Title: 溶接焼け除去装置
IPC: C25F7/00
Filed: 2022-06-03
Abstract: 【課題】電解処理による溶接焼けの除去作業を複雑な制御なしに自動化する。【解決手段】溶接焼け除去装置は、電解エンドエフェクタのサポートが取り付けられる可動体と、前記可動体を移動させる少なくとも１つのアクチュエータと、を含む移動装置と、前記アクチュエータを制御する処理回路と、を備える。前記処理回路は、ポンプを制御して電解液フィーダに電解液を境界に供給させながら、前記アクチュエータを制御して短絡防止カバーを介して電極を溶接加工品の溶接焼け部に摺動させる電解処理を実行するように構成される。前記電解エンドエフェクタの前記サポートは、前記移動装置の前記可動体に取り付けられたベースと、前記ベースに対して前記電極を角変位可能に接続するカプラと、を有する。【選択図】図１
Patent JP-2023180544-A (JP)
Title: ホログラフィ観察装置および試料保持容器
IPC: G02B21/34
Filed: 2022-06-09
Abstract: 【課題】 液体中の試料をより鮮明に観察することが可能なホログラフィ観察装置１を提供する。【解決手段】 細胞２（試料）に向けて照明光Ｌ１を照射し、細胞２で反射した物体光Ｌ２と、基準となる参照光Ｌ３とが干渉して形成されるホログラム画像を撮像して、上記細胞２の観察を行うホログラフィ観察装置１に関する。細胞保持容器３は、上記細胞２を培養液（液体）とともに収容する液体収容部１２と、下面が液体収容部１２に収容された培養液に接触し、上面が大気に露出するように設けた透明な観察窓１８とを有し、上記観察窓１８の上面および下面を上記照明光Ｌ１の光軸に対して傾斜させたものとなっている。【選択図】 図４