baber/WOPTO huggingface dataset:
Patent JP-2019511467-A (JP)
Title: 血液製剤から第ｖｉｉｉ因子を分離する方法
IPC: C07K1/22
Filed: 2017-02-10
Abstract: 本発明により、フォン・ヴィルブランド因子（ｖＷＦ）のＦＶＩＩＩ結合ドメインを少なくとも含むｖＷＦタンパク質、及び第ＶＩＩＩ因子（ＦＶＩＩＩ）の軽鎖を少なくとも含み、前記ｖＷＦタンパク質と複合体を形成し得るＦＶＩＩＩタンパク質を含む第１の組成物からＦＶＩＩＩタンパク質を分離するための方法であって、前記第１の組成物を、リガンド及びマトリックスを含むアフィニティ樹脂と接触させるステップであって、前記リガンドがＦＶＩＩＩの軽鎖に対して親和性を有する前記ステップ、及び、前記混合物から前記アフィニティ樹脂を分離して、改変された第１の組成物及び第２の組成物を得るステップであって、前記第２の組成物が、前記アフィニティ樹脂、及び前記ＦＶＩＩＩタンパク質と前記ｖＷＦタンパク質との複合体を含有する前記ステップを含む方法が提供される。 【選択図】図１
Patent JP-2019508973-A (JP)
Title: 光通信及び光アドレス指定のための装置及び方法
IPC: G02B6/124
Filed: 2017-02-10
Abstract: 光通信及び光アドレス指定のための装置及び方法が本明細書に開示される。例示的な装置は、各々異なる波長で複数の光源を提供する光源レイヤ、複数の第２のレイヤ、及び第３のレイヤを含む。第２のレイヤの各々は、個別の波長と関連付けられてもよく、それらの個別の波長に調整された光フィルタと、光変調器と、光検出器とを含んでもよい。第３のレイヤは、個別の第２のレイヤと各々が関連付けられ、個別の第２のレイヤと関連付けられた個別の波長に調整された光フィルタ、光検出器、及び光変調器とを各々が含む複数の光回路を含んでもよい。変調及び未変調の光信号は第２及び第３のレイヤ間で提供されてもよく、光信号の個別の波長は、複数の第２のレイヤの各々に対するアドレスのように振る舞う。【選択図】図１
Patent JP-2019507635-A (JP)
Title: 熱可塑性義歯フレーム、熱可塑性義歯フレームの製造方法および熱可塑性義歯フレームを含有する義歯
IPC: A61C13/01
Filed: 2017-02-27
Abstract: 著しく改善された寿命ならびに快適さを有する熱可塑性義歯フレームが本明細書に記載される。本義歯フレームは、少なくとも１種のポリ（エーテルエーテルケトン）（「ＰＥＥＫ」）ポリマーと少なくとも１種のポリフェニルスルホン（「ＰＰＳＵ」）ポリマーとを含むポリマー組成物を含む。本ポリマー組成物が、ポリマー組成物の唯一のポリマー成分としてＰＥＥＫポリマーを含む相当するポリマー組成物に対して、著しく改善された色安定性を有することが意外にも発見された。さらに、本ポリマー組成物は、著しく改善された靱性、柔軟性および寸法安定性を有する。本ポリマー組成物の美学的特性と機械的特性との組み合わせは、改善された寿命および快適さを有する義歯フレームを可能にする。 【選択図】図１
Patent JP-2019509234-A (JP)
Title: ロボットシステム、ロボットシステムの制御方法および処理システム
IPC: B65G21/20
Filed: 2017-03-08
Abstract: 本発明は、ロボットシステムと、対応する方法と、処理システムに関するものであって、ガイドレールによって形成された処理ライン上で、またはコンベヤベルト上で、対象物または被処理物が、必要に応じてそのまま移動するか、または把持要素を有する搬送装置に積置されて搬送される。ロボットアームは、コンプライアンス制御で、すなわち力制御によってソフトに、対象物を処理ラインの平面または表面から作業室に引っ張ったり押したりすることによって対象物を処理ラインから取り出し、対象物は複数のガイド要素によって作業室内に配置され配向される。作業室内の対象物の処理後、対象物はロボットアームによって処理ライン上に押し戻されるか引き戻される。処理ラインは、能動的に駆動されるコンベヤベルトの代わりに、受動的で駆動されないローラなどから成ることも可能であり、この場合はロボットアームが対象物を搬送させようと引っ張るか押す。 【選択図】図３
Patent JP-2019510357-A (JP)
Title: マルチチャネル光電子増倍管アセンブリ
IPC: H01J43/20
Filed: 2017-03-28
Abstract: マルチチャネル光電子増倍管（ＰＭＴ）型検出器アセンブリでありフォトカソードを有する。その検出器アセンブリが、第１組のダイノード経路を有する第１ダイノードチャネルを有する。当該第１組のダイノード経路が、第１群の光電子を受け取り第１増幅光電子流を第１アノード上に差し向けるよう構成された複数個のダイノード段を有する。同検出器アセンブリが、別組のダイノード経路を有する別のダイノードチャネルを有する。当該別組のダイノード経路が、別群の光電子を受け取り別の増幅光電子流を別のアノード上に差し向けるよう構成された複数個のダイノード段を有する。同検出器アセンブリが、第１群の光電子を第１組の経路のうち１個又は複数個へと差し向け且つ上記別群の光電子を上記別組の経路のうち１個又は複数個へと差し向けるよう構成された、グリッドを有する。
Patent JP-2019517922-A (JP)
Title: レーザエネルギーによって半田材料堆積物を溶融するための方法およびレーザ構成
IPC: B23K1/00
Filed: 2018-02-14
Abstract: 本発明は、レーザエネルギーによって半田材料堆積物を溶融するための方法に関し、当該方法において、第１のレーザ源から発せられるレーザ放射が、第１のレーザデバイス（１１）によって第１の適用フェーズにおいて半田材料堆積物に適用され、第２のレーザ源から発せられるレーザ放射が、第２のレーザデバイス（１２）によって第２の適用フェーズにおいて半田材料堆積物に適用され、第１のレーザ源は第２のレーザ源よりも低いレーザパワーを有しており、スイッチングデバイス（３０）によって第１の適用フェーズから第２の適用フェーズにスイッチングが行われ、スイッチングは温度センサによってトリガされ、温度センサによって半田材料堆積物の温度が少なくとも第１の適用フェーズ中に測定される。
Patent JP-2019519504-A (JP)
Title: Ｔｌｒアゴニストを含有する製剤及び使用方法
IPC: A61K47/18
Filed: 2017-05-11
Abstract: アルミニウムに吸着する、補助脂質を伴うＴＬＲ７／８アゴニスト又はＴＬＲ４アゴニストを含むアジュバントの安定な水性製剤を提供する。免疫応答を刺激する製剤を用いる組成物及び方法もまた提供する。 【選択図】なし
Patent JP-2019516878-A (JP)
Title: サイド型複合繊維
IPC: D02G1/02
Filed: 2017-05-22
Abstract: 本発明はサイド型複合繊維を開示し、該繊維は固有粘度が１．００〜２．００ｄｌ／ｇのポリブチレンテレフタレート及び固有粘度が０．４５〜０．６５ｄｌ／ｇのポリエステルにより７０：３０〜３０：７０の重量比でサイドバイサイド複合紡績した後の仮撚り加工によって製造され、ポリブチレンテレフタレートとポリエステルとの固有粘度差が０．３５〜１．５５ｄｌ／ｇであり、且つ該繊維の弾性伸長率が２０〜１２９％であり、弾性回復率が６５％以上である。【選択図】図１
Patent JP-2021500588-A (JP)
Title: アレイ基板、表示装置およびアレイ基板の製造方法
IPC: H01L21/336
Filed: 2018-01-25
Abstract: 本出願は、複数のサブピクセル領域を有するアレイ基板を開示する。このアレイ基板は、ベース基板と、ベース基板の複数のサブピクセル領域のうちのサブピクセル領域ごとにそれぞれ形成される複数の第１薄膜トランジスタと、複数のサブピクセル領域のうちのサブピクセル領域ごとにそれぞれ形成される複数のコンデンサ電極とを含む。複数の第１薄膜トランジスタの各々は、第１活性層と、第１ゲート電極と、第１ソース電極と、第１ドレイン電極とを含む。第１活性層は、第１半導体チャネル部と、第１ドレイン電極に電気的に接続される第１導電部と、第１ソース電極に電気的に接続される第２導電部とを含む。複数のコンデンサ電極の各々、絶縁層及び第１導電部は、複数のサブピクセル領域のうちの１つに第１蓄積コンデンサを構成する。
Patent JP-2019521676-A (JP)
Title: フィルター硬度を高めるための被覆されたプラグラップ
IPC: A24D1/02
Filed: 2017-06-02
Abstract: プラグラップ（６０）をフィルター材料の周りに配置することと、プラグラップがフィルター材料の周りに配置された後、硬度を高める被覆組成物をプラグラップに塗布してフィルターの硬度を高めることと、を含む、喫煙物品（１０）用のフィルター（３０）の硬度を高める方法。【選択図】図３
Patent JP-2019133649-A (JP)
Title: Automatic tampering detection in networked control systems
Inventor: BALAJE T THUMATI
IPC: G06F21/50
Filed: 2019-01-07
Abstract: To provide methods and apparatus for automatically detecting tampering in networked control systems.SOLUTION: In a networked control system 10, a configuration manager 20 is associated with a plurality of sensors 12 (thermometers 12a, optical sensors 12b, accelerometers 12c) and actuators 16. The configuration manager automatically identifies hardware and/or software configurations of the sensors and actuators, and analyzes that information to detect whether any of the sensors and actuators have been tampered with. Upon detecting such tampering, the configuration manager indicates the tampering to a control manager 14. The control manager functions to minimize potential damage to the networked control system.SELECTED DRAWING: Figure 1
Patent JP-2020111350-A (JP)
Title: Bag material, package and freshness holding method of fruits and vegetables
Inventor: TAKAHAMA KEIZO
IPC: B65D33/01
Filed: 2019-01-09
Abstract: To provide a new packaging material which can suppress deterioration in freshness of fruits and vegetables from an overall view point of storage, distribution and preservation of fruits and vegetables.SOLUTION: A bag material is for holding the freshness of fruits and vegetables by covering a box or a basket in which the fruits and vegetables are stored. It is the bag material which is constituted by a resin film in which holes are provided, and whose capacity is equal to or greater than 100 L. Also, a package in which the box or the basket in which the fruits and vegetables are stored is covered by the bag material. Also, a freshness holding method of fruits and vegetables in which the box or the basket in which the fruits and vegetables are stored is covered by the bag material.SELECTED DRAWING: Figure 6
Patent JP-2020111141-A (JP)
Title: Vehicle air-conditioning control system and air-conditioning control program
Inventor: HOSHINO MASARU
IPC: B60H1/00
Filed: 2019-01-10
Abstract: To eliminate the risk that in a pre-air-conditioning before starting a vehicle, even if an air conditioner is activated, a vehicle interior temperature cannot be adjusted before a user instructs to stop the device or in a preset time.SOLUTION: An air-conditioning control system comprises a starting time predicting part that predicts a starting time of a vehicle. The air-conditioning control system comprises an air-conditioning condition calculating part that calculates an operation time and operation output at which a temperature of a vehicle interior can be set to a prescribed target temperature. Further the air-conditioning control system comprises an air-conditioning starting time determining part that determines an operation starting time of an air-conditioner. The air-conditioning condition calculating part calculates the operation time and the operation output at which the temperature of the vehicle interior can be set to the prescribed target temperature. Further the air-conditioning starting time determining part determines a time earlier than the starting time by the operation time as the operation starting time.SELECTED DRAWING: Figure 2
Patent JP-2020111951-A (JP)
Title: Evaluation method of improvement effect of improved ground
Inventor: SAKAI KIMITOSHI
IPC: E02D1/08
Filed: 2019-01-11
Abstract: To provide an evaluation method of improvement effect of an improved ground which can evaluate strength and rigidity of an improved ground on a bearing ground simply in a short time, in a ground improvement construction.SOLUTION: In a strength evaluation method of an improved ground on a bearing ground 1, a plurality of sets of simultaneous microtremor observations of a reference point P at which depth to the bearing ground 1 is known and an observation point having an interval to the reference point P are carried out at the same observation position on a ground surface before and after ground improvement. From microtremor wave form by the microtremor observation, a Fourier spectrum ratio from the reference point P in each observation set is calculated. Peak cycle difference observed in the Fourier spectrum ratio before and after ground improvement is acquired. Based on a result of numerical analysis separately performed, strength and rigidity of the improved ground are evaluated from the peak cycle difference before and after ground improvement.SELECTED DRAWING: Figure 1
Patent JP-2019124222-A (JP)
Title: Burst protection device of gas turbine engine
Inventor: STEFFEN BRAUN
IPC: F01D25/24
Filed: 2019-01-17
Abstract: To provide a burst protection device for a radial flow turbine of a turbocharger, which is improved, easy to manufacture and highly reliable.SOLUTION: A burst protection device 1 for a gas radial turbine engine includes a turbine housing 20 completely surrounding a turbine wheel 21 that is rotatably arranged inside the turbine housing 20. The burst protection device comprises some wall sections 10, 11, 12 that are configured annularly around a central axis A in a circumferential direction and like a box in a cross sectional direction, grip the turbine housing 20 in the area of the turbine wheel 21 and are disposed side by side in the circumferential direction. At least one axial wall section 10 extending in the axial direction and at least one radial wall section 12 extending in a radial direction are indirectly connected to each other via an intermediate wall section 11 interposed therebetween. At least a partial area of the intermediate wall section 11 in the axial direction extends inclinedly and/or curvedly relative to the orientation of the axial wall section 10 and the radial wall section 12.SELECTED DRAWING: Figure 2
Patent JP-2019083552-A (JP)
Title: Receiving method
Inventor: KAMIO HIROYUKI
IPC: H04N21/434
Filed: 2019-01-17
Abstract: To enhance flexibility and transmission efficiency by expanding operation of logo data when achieving ultrahigh definition of an image.SOLUTION: In a transmission system, logo data is modularized by log identification and a logo type. The modularized logo data is distributed to a plurality of sections in common data table information. With respect to logo data, logo data distribution information indicating a correspondence relation between the logo type and the sections to which the logo data is distributed is defined and the defined logo data distribution information is inserted into a logo data distribution descriptor in the common data table information. Also, logo transmission description information is generated from logo management information including the logo identification of the logo data and the logo type and inserted into a logo data transmission descriptor in service description table information. Then, the common data table information and the service description table information is combined with a broadcast signal, and the combined broadcast signal is transmitted.SELECTED DRAWING: Figure 16
Patent JP-2019073846-A (JP)
Title: Clothing fan
Inventor: IMADA KENJIRO
IPC: F04D29/64
Filed: 2019-01-27
Abstract: To provide a clothing fan which enables easy attachment work to clothing and achieves excellent durability.SOLUTION: A clothing fan 1 is attached to an attachment hole 101 of clothing 100 to ventilate the front side and the rear side of the clothing 100 and includes: a body 13 including blades 10 and a housing 15 including the blades 10 therein; and a holding ring 14 detachably attached to the body 13. The housing 15 includes: a cylindrical peripheral wall part 18 which is inserted into the attachment hole 101 of the clothing 100; and a flange part 19 which is provided protruding on one end part side outer peripheral surface of the peripheral wall part 18. The holding ring 14 is configured to be attached to the outer peripheral surface of the peripheral wall part 18 of the housing 15 from the other end part side and be rotated around an axis in one direction to move close to the flange part 19. The clothing fan 1 is attached to the clothing 100 so that the clothing 100 is sandwiched between the flange part 19 of the body 13 and the holding ring 14.SELECTED DRAWING: Figure 1
Patent JP-2020123199-A (JP)
Title: Forecast system and forecast method
Inventor: KAWACHI SEIJI
IPC: G06Q50/06
Filed: 2019-01-31
Abstract: To provide a forecast system and a forecast method that can reduce an error between an estimated value and a measured value, thus improving the forecast accuracy.SOLUTION: An electric power forecast system according to the present invention comprises: a coefficient calculation unit for calculating a coefficient indicating an error between an estimated value obtained by performing an estimation by a predetermined estimation method and an actual value corresponding to the estimated value; and a forecast unit for performing a predetermined statistical process based on the coefficient calculated by the coefficient calculation unit and a predetermined parameter corresponding to the coefficient, calculating a coefficient for a forecast day based on the result of the predetermined statistical process and a predetermined parameter for the forecast day, and calculating a forecast value for the forecast day based on the calculated coefficient for the forecast day and an estimated value for the forecast day obtained by performing an estimation by the predetermined estimation method.SELECTED DRAWING: Figure 2
Patent JP-2020121517-A (JP)
Title: Head assembly and inkjet recording device
Inventor: SUE TOMOHIRO
IPC: B41J2/01
Filed: 2019-01-31
Abstract: To provide a head assembly which enables adjustment of a height of a recording head.SOLUTION: A head assembly 1 includes a base member, a recording head 3, a connection member, and a pressing member 6a. The recording head discharges an ink. The connection member connects the recording head to the base member. The pressing member contacts with a first surface 35 of the recording head. The connection member has a biasing member 41 which biases a second surface 36 of the recording head to the first surface side of the recording head. The second surface of the recording head is a surface of the recording head which is opposite to the first surface.SELECTED DRAWING: Figure 6
Patent JP-2020124277-A (JP)
Title: coffee maker
Inventor: LIN YU-LUNG
IPC: A47J31/46
Filed: 2019-02-01
Abstract: To provide a coffee maker.SOLUTION: A coffee maker comprises a base 1, a container 2, a filter cup 3, and an air exhaust/supply device 4. The base 1 is disposed with a storage part 11 and a connection part 12. The container 2 is installed on the connection part 12 of the base 1, and includes a chamber 21 in the center, and an opening 22 at the upper side, and the opening 22 is disposed with a cover body 23 capable of sealing the opening 22. The filter cup 3 is installed in the chamber 21 of the container 2, and includes a filter, and an opening 32 at the upper side. The air exhaust/supply device 4 includes a pump 41, an exhaust flow channel 42, an air-supply flow channel 43, a first magnetic valve and a controller. The pump 41 is installed in the storage part 11 of the base 1, and is electrically connected to the controller. An outside communication conduit 40 is connected to the lower side of the base 1, and the exhaust flow channel 42 is connected to the pump 41 and the chamber 21 of the container 2. The air-supply flow channel 43 is communicated with the pump 41, the chamber 21 of the container 2, and the filter cup 3, and the first magnetic valve is electrically connected to the controller.SELECTED DRAWING: Figure 1
Patent JP-2020125251-A (JP)
Title: Creamy skin cleanser composition
Inventor: KUMEI MIHO
IPC: A61K8/36
Filed: 2019-02-01
Abstract: To provide a creamy skin cleanser composition which has good foamability, excellent foam volume and foam elasticity and excellent storage stability while having good solubility in water in use.SOLUTION: There is provided a creamy skin cleanser composition which comprises 30 to 40 mass% of a higher fatty acid (A1) and a potassium salt thereof (A2) in total based on the total amount of the creamy skin cleanser composition and 0.1 to 5.0 mass% of polyoxyethylene monolaurate (80) sorbitan (B) based on the total amount of the creamy skin cleanser composition, where the mass ratio A1/A2 of the higher fatty acid and (A1) to the potassium salt of the higher fatty acid (A2) is 0.25 to 0.30.SELECTED DRAWING: None
Patent JP-2020127309-A (JP)
Title: controller
Inventor: TAKAHASHI MASAHIRO
IPC: B60W20/00
Filed: 2019-02-05
Abstract: To provide a technique that is able to hinder a temperature rise of a switching element energy-efficiently.SOLUTION: A controller disclosed in the present specification controls a pump that pumps a cooling liquid to a circulation path. A cooler having the circulation path and the pump cools a switching element of a power converter that supplies a current to a motor for traveling a vehicle. In a case where an amount of temperature increase of the switching element when d-axis current that does not generate torque in the motor during stop of the vehicle is caused to flow for a predetermined time exceeds a predetermined temperature difference threshold, and then (1) the motor locks or (2) a vehicle speed exceeds a predetermined vehicle speed threshold, the controller increases output of the pump in comparison with the case where the amount of temperature increase of the switching element does not exceed the temperature difference threshold for the predetermined time. Eliminating air accumulation in the case of (1) and (2) hinders a temperature rise of the switching element energy-efficiently.SELECTED DRAWING: Figure 2
Patent JP-2020127471-A (JP)
Title: Game machine
Inventor: TANAKA MASAYA
IPC: A63F7/02
Filed: 2019-02-07
Abstract: To easily check a control board in a game machine.SOLUTION: An information display area 601 displays control board information related to a game control board 600. The information display area 601 displays control board information by a conductor pattern. The game control board 600 has an information display back surface area 601a (indicated by a broken line) and a GND pattern 604a (indicated by vertical line hatching) on a second surface. The information display back surface area 601a is an area corresponding to the back surface of the information display area 601 on a first surface.SELECTED DRAWING: Figure 70
Patent JP-2020129206-A (JP)
Title: Waste collection, transportation and treatment method
Inventor: SHIRAI TORU
IPC: G06Q50/10
Filed: 2019-02-07
Abstract: To provide a waste collection, transportation and treatment method capable of effectively collecting and transporting wastes discharged from a plurality of waste discharging business operators for intermediate treatment or final disposal with a small environmental load by employing a plurality of collection and transportation business operators and one or more wide area waste intermediate treatment business operators or wide area waste final disposal business operators, and thereby treating or disposing of the wastes.SOLUTION: The present invention includes a minimum unit number/course selection step of calculating and selecting an optimum waste collection, transportation, and treatment course of wastes required for a small environment load treatment or disposal from collection, transportation, and treatment information acquired and managed by using a host computer with a coordination function that is integrally operated based on a plurality of contracts for each business operator, a transportation step of instructing a collection and transportation business operator, who desires the course selected by the calculation and selection step, to collect wastes so that the wastes can be transported to the wide area waste intermediate treatment or final disposal business operator via a waste treatment business operator or a waste transshipment deposit place, and a notification step of notifying the completion of the waste collection and transportation treatment.SELECTED DRAWING: Figure 1
Patent JP-2020133005-A (JP)
Title: Skin material
Inventor: FUJIMORI KENTA
IPC: G02B6/00
Filed: 2019-02-12
Abstract: To provide a skin material capable of eliminating unevenness of brightness in the vicinity of an end part of an optical fiber when light is emitted.SOLUTION: A skin material 1 of the present invention is woven by using side surface light-emitting type optical fibers 3 in at least one of warp and weft and comprises a woven fabric 2 that allows light entering from an end surface of an incident end part 31 that is an end part on one side of the optical fiber and allows the light to be emitted from a side surface 33 of the optical fiber. On a coated end part 34 that is an end part of the other side of the optical fiber, as well as on its end surface 35, a light-absorbing coat 4 is formed. Thereby, it is possible to prevent that only a portion of the woven fabric becomes bright due to light leakage, without causing the light in the optical fiber to leak from the coated end part of the optical fiber and its periphery or to be reflected into the optical fiber.SELECTED DRAWING: Figure 1
Patent JP-2020132556-A (JP)
Title: Cyclic azine compound, organic electroluminescent element material, electron transport material for organic electroluminescent element, and organic electroluminescent element
Inventor: MORINAKA YUTA
IPC: C07D251/24
Filed: 2019-02-18
Abstract: To provide a compound that has excellent drive voltage properties and long life properties, has low crystallinity, and contributes to forming a stable amorphous film, in an organic electroluminescent element.SOLUTION: A cyclic azine compound is represented by formula (1), and has a molecular weight of 751-1000, where Ar is a phenyl group, a biphenyl group, a terphenyl group or the like, which may have one or more methyl groups; n1 and n2 are 0-3; n3 is 1-3.SELECTED DRAWING: Figure 1
Patent JP-2019088323-A (JP)
Title: Human cytomegalovirus comprising exogenous antigens
Inventor: KLAUS FRUEH
IPC: C12N15/38
Filed: 2019-02-19
Abstract: To provide human cytomegalovirus vectors that establish and maintain persistent infections, induce and maintain effector memory T cells against heterologous antigens, and re-infect CMV-seropositive hosts.SOLUTION: Human cytomegalovirus vectors comprising heterologous antigens are disclosed. The vectors derived from the TR strain are ganciclovir-sensitive, include active US2, US3, US6, US7 and UL131A genes, and have a deleterious or inactivating mutation in the UL82 gene preventing the expression of pp71.SELECTED DRAWING: None
Patent JP-2020132940-A (JP)
Title: Silver plating solution composition
Inventor: MOTOZAKI Toru
IPC: C23C18/52
Filed: 2019-02-19
Abstract: To provide a novel silver plating solution composition.SOLUTION: A silver plating solution composition includes (A) water-soluble thiosulfate compound, (B) silver ion source, and (C) water.SELECTED DRAWING: None
Patent JP-2020134684-A (JP)
Title: Zoom lens and imaging apparatus
Inventor: YAMANAKA HISAYUKI
IPC: G02B13/18
Filed: 2019-02-19
Abstract: To provide a high-performance zoom lens which is suitable for a digital still camera having a short flange back or the like and compact as a whole and in which the diameter of a final lens group is easily reduced and to provide an imaging apparatus including the zoom lens.SOLUTION: The zoom lens comprises, in order from an object side, front groups (G1 to G6) having at least three lens groups and positive refractive power as a whole and a lens group GB(G7) arranged on the image side of the front groups. The interval on the optical axis between adjacent lens groups is changed to vary power. The lens group GB includes, in order from an image side, a lens component Nb(L19), a lens component Nf(L18), and a lens component P(L17). When varying power from a wide angle end to a telephoto end, the lens group GB is moved to the object side and the lens group (G6) which is a part of the front groups is moved along the optical axis, to perform focusing. The zoom lens satisfies a predetermined conditional expression.SELECTED DRAWING: Figure 1