baber/WOPTO huggingface dataset:
Patent JP-2010511603-A (JP)
Title: メタドキシンとニンニク油を含有するアルコール性脂肪肝並びに脂肪肝性肝炎の予防及び治療用薬学組成物
IPC: A61P43/00
Filed: 2007-11-30
Abstract: メタドキシン（ピリドキソールｌ−２−ピロリドン−５−カルボキシレート）及びニンニク油を有効成分として含有する、アルコール性脂肪肝又は肝炎の予防又は治療のための薬学、食品、又は飲料組成物に関する。 【解決手段】該薬学組成物は、本発明によるメタドキシン及びニンニク油の併用投与は、メタドキシンまたはニンニク油の単独投与に比べ、肝組織内のトリグリセリドの蓄積及び血中ＡＳＴ（アスパラギン酸アミノトランスフェラーゼ）の増加抑制、ＦＡＳ（脂肪酸合成酵素）、ＣＹＰ２Ｅ１及びｉＮＯＳ（誘導型酸化窒素合成酵素）の発現抑制、及びＡＭＰＫ（ＡＭＰ活性化プロテインキナーゼ）失活抑制に顕著な効果を示し、アルコールの摂取で誘導されるアルコール性脂肪肝及び脂肪肝性肝炎の予防又は治療、またはアルコール摂取によって損傷した肝機能の改善または回復のために効果的に利用されうる。 【選択図】図１
Patent JP-2010512074-A (JP)
Title: 直交擬似ランダム雑音逆拡散方法
IPC: H04B1/707
Filed: 2006-12-06
Abstract: 本発明は、直交擬似ランダム雑音逆拡散方法を開示する。本方法は、データ列Ｉ’及びＱ’を入力するとともに、直交擬似ランダム雑音逆拡散演算が実行される擬似ランダム雑音列ＰＮＩ及びＰＮＱを入力する段階と、各タイムスロットにおいて、各擬似ランダム雑音列ＰＮＩ及びＰＮＱからそれぞれ２０４８符号語を連続的に抽出し、２０４８符号語にそれぞれ時分割逆多重化演算を実行して、どちらも１６００符号語長を有する擬似ランダム雑音列ＰＮＩ’及びＰＮＱ’を求める段階と、擬似ランダム雑音列ＰＮＩ’及びＰＮＱ’並びにタイムスロットに入力された１６００符号語長を有するデータ列Ｉ’及びＱ’に直交擬似ランダム雑音逆拡散演算を実行し、次いで、データ列Ｉ及びＱを出力する段階とを有する。本発明は、直交擬似ランダム雑音逆拡散が実行される入力列の演算を行う。それによって、システム転送要求を満たされ、かつ送信端の計算量が相対的に減少する。
Patent JP-2010513028-A (JP)
Title: レーザービーム処理装置
IPC: B23K26/06
Filed: 2007-06-15
Abstract: 【課題】レーザービームを用いて対象物の表面を処理するためのレーザービーム処理装置を提供すること。 【解決手段】レーザービームを発射するレーザービーム発生部と、該レーザービーム発生部から発射したレーザービームを照射させた後、照射されたレーザービームのうち、一部を選択的に対象物の表面に伝達するよう構成された複数のマイクロミラーを備えるマイクロミラーデバイスとを備え、前記マイクロミラーデバイスのマイクロミラーは、２つの光路のうち、所望の光路を選択的に切り替え可能なことを特徴とする。これにより、対象物の表面を所望の形状に２次元に処理することができ、またその部分を３次元に処理できるレーザービーム処理装置が提供される。 【選択図】図３
Patent JP-2010516182-A (JP)
Title: ビデオ・ストリームのベース層および拡張層をマルチキャストする方法
IPC: H04J99/00
Filed: 2008-01-04
Abstract: 本発明は、ビデオ・ストリームをマルチキャストする方法を提供する。本方法は、基地局において複数のパケットを含むビデオ・ストリームから第１のパケットにアクセスすることを含む。ビデオ・ストリーム中の各パケットはベース層または少なくとも１つの拡張層のいずれかに割り当てられる。本方法は、第１のパケットがベース層に割り当てられるか、それとも拡張層に割り当てられるかに基づいて選択される符号化方式を使用して第１のパケットを符号化することを含む。
Patent JP-2010516391-A (JP)
Title: 剛体杭および柔軟な頭部を有するゴルフティー
IPC: A63B57/00
Filed: 2008-01-23
Abstract: ゴルフティーが、硬質ポリマーなどの剛体材料から製作された杭と、柔軟な突起部を、そして場合によっては柔軟な枢動軸をも備えた柔軟な頭部とを併せ持つ。これによって、インパクト時の抵抗が減少し、摩擦が小さくなり、ボールのスピンが少なくなる。その結果、飛距離および正確さが向上する。剛体材料と柔軟な材料との融合によって、繰り返し打たれても耐えることができ、何度も繰り返して使用することができるティーが提供される。
Patent JP-2010518207-A (JP)
Title: 熱硬化性組成物
IPC: C08K5/107
Filed: 2008-01-30
Abstract: （ａ）９７〜４０重量％の、非置換又はそれぞれのヒドロキシル基に対してオルト位の少なくとも１つの非置換部位を有する置換ビスフェノール、ホルムアルデヒド、及び第１級アミンの反応によって製造される少なくとも１種類のビス（ジヒドロベンゾオキサジン）；及び（ｂ）３〜６０重量％の少なくとも１種類のビスフェノール（ここで、重量％は成分（ａ）及び（ｂ）の合計量を基準とし、但し（ａ）及び（ｂ）は合計して１００重量％になる）；並びに（ｃ）場合によっては他の成分；を含む熱硬化性組成物。これらの組成物から製造される硬化生成物は、価値のある化学的、物理的、及び機械的特性を示す。 【選択図】なし
Patent JP-2010519273-A (JP)
Title: 四置換グルコピラノシル化ベンゼン誘導体、このような化合物を含む薬物、それらの使用及びそれらの製造方法
IPC: A61P9/04
Filed: 2008-02-20
Abstract: 請求項１に特定された一般式(I) 【化１】     の四置換グルコピラノシル化ベンゼン誘導体（これらの互変異性体、立体異性体、これらの混合物及びこれらの塩を含む）。本発明の化合物は代謝障害の治療に適している。
Patent JP-2010518962-A (JP)
Title: 大容量の体液濾過装置
IPC: A61M1/34
Filed: 2007-02-22
Abstract: 【課題】体液を濾過するためのホールドアップ量の少ない体液濾過装置、システム及び方法を提供する。 【解決手段】体液濾過装置は、インレット、第１のアウトレット、第２のアウトレット、インレットと第１のアウトレットとの間に画定された第１の流体流路、及びインレットと第２のアウトレットとの間に画定された第２の流体流路を有するハウジングと、インレットと第１のアウトレットとの間に、且つ第１の流体流路を横断するように配置された第１の体液濾過媒体と、インレットと第２のアウトレットとの間に、且つ第２の流体流路を横断するように配置された第２の体液濾過媒体とを備える。ハウジングは、第１の体液濾過媒体と第２の体液濾過媒体とを実質的に互いに隔絶させるような隔壁を有していない。第１の体液濾過媒体の下流に第１の流量制限部を追加し、第２の体液濾過媒体の下流に第２の流量制限部を追加し得る。 【選択図】図８
Patent JP-2011141316-A (JP)
Title: Liquid crystal display device and method of driving the same
Inventor: KOSUGE MASAHIRO
IPC: G02F1/13
Filed: 2010-01-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide a liquid crystal display device in which a display can be performed in an isotropic phase temperature range of a liquid crystal forming material and even in a nematic phase temperature range thereof.  <P>SOLUTION: The liquid crystal display device 10A includes a control means 37 for controlling a voltage to be applied between a pair of electrodes and a temperature detector 36. The control means 37 applies a voltage, by which a change of light transmittance occurs based on an induction and disappearance phenomenon of a nematic phase in the liquid crystal forming material, between the pair of electrodes when the temperature T detected by the temperature detector 36 is in the isotropic phase temperature range of the liquid crystal forming material, and applies another voltage, by which a change of light transmittance occurs based on a change of orientation of directors of the liquid crystal forming material, between the pair of electrodes when the temperature T detected by the temperature detector 36 is in the nematic phase temperature range T<SB>NE</SB>(T<T<SB>NE</SB>) of the liquid crystal forming material.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011140344-A (JP)
Title: Continuous package for absorbent articles
Inventor: SUZUKI NAHOMI
IPC: B65D85/07
Filed: 2010-01-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide a continuous package for absorbent articles which is capable of preventing absorbent articles from falling upon separation and suppressing deformation of the absorbent articles in packages in the case in which the packages packaging the absorbent articles are continuous and can be separated respectively by the packages.  <P>SOLUTION: In the continuous package 1 for absorbent articles, the plurality of packages 2 individually packaging sanitary napkins 10 are continuous. Each of the packages 2 can be separated by tearing an exterior sheet 3 apart along a cutoff line part 4 formed in the exterior sheet 3 of the packages 2. At least part of the absorbent article is fixed to the inner surface of the exterior sheet 3.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011144821-A (JP)
Title: Universal joint
Inventor: MORIYAMA SEIICHI
IPC: F16D1/06
Filed: 2010-01-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide a universal joint which is reduced in bending stress generated at a bolt, improved in durability, also improved in the fastening efficiency of the bolt, and suppressed in a variation of the coupling rigidity between a shaft and a yoke.  <P>SOLUTION: When fastening the bolt 81 at a prescribed fastening torque, the clearance between slits 73 is reduced by the elastic deformation of flanges 72A, 72B, and the center axial lines of a spherical bearing surface 77, a bolt hole 74 and a female screw 75 are substantially linearly aligned and form a common center axial line 76. Even if the center axial lines of the spherical bearing surface 77, the bolt hole 74 and the female screw 75 are inclined with respect to the center axial line 76 due to the variation of the fastening torque, a bolt shaft 811 is suppressed from bending since a spherical lower surface 812A is formed at a bolt head 812, and since the spherical lower surface 812A is inclined following the inclination angle of the bolt shaft 811. Then, the bending stress acting on the bolt 81 is reduced, improving the durability of the bolt 81.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011144117-A (JP)
Title: 4-(dichlorophenyl)-2-(4-fluorobenzyl)-5-methylimidazole compound
Inventor: MURAI TAKAYUKI
IPC: C07D233/64
Filed: 2010-01-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide a 4-(dichlorophenyl)-2-(4-fluorobenzyl)-5-methylimidazole compound useful as an antioxidizing agent for copper surfaces, a curing agent for epoxy resins, or an intermediate for medicines and agrochemicals.  <P>SOLUTION: There is provided a 4-(dichlorophenyl)-2-(4-fluorobenzyl)-5-methylimidazole compound represented by chemical formula (I).  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011146461-A (JP)
Title: Action information generating device, action confirming device, substrate processing system, and action information generating program
Inventor: SHIBATA FUMIHARU
IPC: H01L21/66
Filed: 2010-01-13
Abstract: <P>PROBLEM TO BE SOLVED: To facilitate the inspection of device actions regarding a substrate processing system.  <P>SOLUTION: A substrate processing system is equipped with: a treatment device for applying cleaning treatment to a substrate and an action confirming device connected to the treatment device so as to confirm an action being a change in movement or state of each action element of the treatment device. The action confirming device is equipped with: a recipe generating part 51 for generating a comparison recipe for confirming actions of a plurality of action elements of the treatment device in a recipe format that allows comparison with an instruction recipe; and an action acquiring part 55 connected to the treatment device so as to repeatedly acquire each action value of the plurality of action elements based on the instruction recipe. In the substrate processing system, the recipe generating part 51 generates the comparison recipe, which indicates a series of step actions of the plurality of action elements in the same recipe format as that of the instruction recipe, on the basis of output from the action acquiring part 55. The instruction recipe and the comparison recipe are compared with each other so as to facilitate the inspection of actions of the treatment device.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2010152368-A (JP)
Title: Exposure device
Inventor: YASUDA SATORU
IPC: H01S5/042
Filed: 2010-01-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide a CTP device which can be continuously used even when a state in which some of laser diodes constituted by being discretely arranged do not emit light due to breakage or the like is generated.  <P>SOLUTION: When some channels are at non-emission states, exposure data by every channel is generated so as to perform exposure using a specific channel at an emission state determined based on existing positions of the channels at the non-emission states while moving an exposure head also in a complementary section provided in front and rear of a reference section for moving the exposure head in normal time, and an exposed region is formed by emitting light for exposure from the specific channel according to the exposure data by every channel by an exposure control means while moving the exposure head in the reference section and the complementary section by a moving means.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2011147942-A (JP)
Title: Rod member
Inventor: IKUTA FUMIAKI
IPC: B21K1/12
Filed: 2010-01-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a rod member that minimizes waste of a material.  <P>SOLUTION: The rod member 1 is obtained by processing a workpiece of a metal rod material. The rod member 1 includes a growth part 2 with a diameter expanded at the one place of the workpiece and both end parts 3 to be connected with other members, and has a processed area processed by removing the material skin part of only the growth part 2 and both of the end parts 3. Accordingly, the rod member has the processed area where the material skin part is removed and only the growth part 2 and both of the end parts 3 are processed, and places other than those are not processed. Namely, the growth part 2 has a diameter larger than that of the workpiece, so that it is not necessary to prepare a workpiece corresponding to the diameter of the growth part 2. Accordingly, it is not necessary to cut places other than the growth part 2, and the waste of the material is eliminated.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2010118140-A (JP)
Title: Information storage medium, information reproducing method, and information reproducing apparatus
Inventor: ITO MOTOSHI
IPC: G11B7/24027
Filed: 2010-01-19
Abstract: <P>PROBLEM TO BE SOLVED: To solve such problems that groove formation and addresses are determined without considering contiguous reproduction across a plurality of recording layers, and consequently loss of performance and an increase in a cost of an apparatus for reproducing such information recording medium are incurred.  <P>SOLUTION: An optical disk has a first recording layer and a second recording layers placed one over the other in such a manner that information recorded in each layer is optically readable from one side of the disk. Tracks are formed on the first and second recording layers with a plurality of sectors provided along the tracks. The tracks on the first and second layers are in a spiral pattern and arranged such that the spiral patterns on the first and second layers have opposite winding directions when viewed from the same side of the disk. The sector addresses provided to the first recording layer increasing from the most inside circumference to the most outside circumference, and the sector addresses provided to the second recording layer increase from the most outside circumference to the most inside circumference. The sector addresses on the first and second layers in approximately corresponding places in the radial direction of the disk are in complementary relationship.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2011151516-A (JP)
Title: Device for cleaning dome-shaped lens cover for surveillance camera
Inventor: HOTTA NOBUYUKI
IPC: H04N5/225
Filed: 2010-01-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a device for cleaning a dome-shaped lens cover for a surveillance camera, capable of facilitating and shortening time for work of cleaning the surveillance camera, thereby preventing the lens cover from being damaged due to the cleaning work and further, allowing one person to perform the cleaning work without any danger.  <P>SOLUTION: The device for cleaning the dome-shaped lens cover for the surveillance camera includes: a device body 12 having a concave nearly spherical shape part at least on an inner surface; a handle 14 attached to an outer bottom of the implement body through a connection 16; an elastic member 18 installed in the almost entire area of the inner surface of the implement body and having a water-absorbing property; and cloth 20 provided covering the entire area of the elastic member from above and having a high water permeability.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011150040-A (JP)
Title: Spectacles frame member and method for manufacturing the same
Inventor: NAKAMURA HIROSHI
IPC: G02C5/16
Filed: 2010-01-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a spectacles frame member which makes design-adding processing easy and is excellent in strength and durability; and also provide a method for manufacturing the same.  <P>SOLUTION: The spectacles frame member 10 includes a plurality of members having different elasticities which are contiguous to each other to form one united boy. In addition, the members concerned are joined up together by frictional joining or laser joining in the spectacles frame member 10. For example, the spectacles frame member 10 includes a temple member 1 and a modern member 2 which is contiguous to the temple member 1. In this case, the elasticity of the temple member 1 is different from the elasticity of the modern member 2, and the temple member 1 and the modern member 2 are joined together by means of the frictional joining or the laser joining to form one united body.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011149123-A (JP)
Title: Pretreatment apparatus for dyeing by inkjet method
Inventor: YAMASHITA YOSHIFUMI
IPC: D06P7/00
Filed: 2010-01-21
Abstract: <P>PROBLEM TO BE SOLVED: To solve a problem that since useless cloth and useless pretreatment agent become required when the position adjustments of a doctor roller are carried out for one side by the other side, and a problem that since the rotation is directed so that the pretreatment agent held between both rollers of a pasting roller and the doctor roller is drawn inward, when a foreign substance is drawn in, a boss part, which serves as a bearing of the roller, is bent and distortion in the adjustment of pasting amount occurs and causes application amount to become uneven.  <P>SOLUTION: A pretreatment apparatus is equipped with a hand-operated adjusting apparatus for adjusting the application amount by adjusting an interval between the pasting roller and the doctor roller. A bearing member, which is coupled to the hand-operated adjusting apparatus and is provided in both ends of the doctor roller, is moved only by a predetermined distance using a driving source without moving the hand-operated adjusting apparatus. Thereby, the adjustment of application amount, which applies to the cloth, is performed. The rotation is directed so that the foreign substance may not be drawn into between the pasting roller and the doctor roller.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011150573-A (JP)
Title: Drive recorder
Inventor: YAMAMOTO TATSUO
IPC: G08G1/16
Filed: 2010-01-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide a drive recorder capable of detecting a vehicle's zigzag running with constant accuracy and of detecting such running with high accuracy and at high speed.  <P>SOLUTION: The drive recorder includes: a running position detecting means 21b which periodically detects the running position of the vehicle in a traffic line where the vehicle runs; a change amount calculation means 21c which calculates the change amount between the latest running position detected by the running position detecting means 21b and the immediately preceding running position; a zigzag running detecting means 21c which, when the change amount calculated by the change amount calculation means 21c exceeds a preset zigzag running determination threshold, detects the zigzag running of the vehicle; and a vehicle state information recording means 21e which when the zigzag running of the vehicle is detected by the zigzag running detecting means 21c, records the vehicle state information detected by the vehicle state information detecting means 21a immediately before detecting the latest running position in a storage medium C.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2010141908-A (JP)
Title: Crystal oscillator, crystal unit, crystal-controlled oscillator, and electronic apparatus
Inventor: KAWASHIMA HIROFUMI
IPC: H01L41/29
Filed: 2010-01-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide a tuning-fork flexible crystal oscillator, capable of oscillating at a fundamental-wave mode in which harmonic-mode oscillation free of the influence of impacts and vibrations is suppressed, and to provide a crystal unit, a crystal-controlled oscillator, and electronic devices equipped with the crystal oscillator.  <P>SOLUTION: The tuning-fork flexible crystal oscillator is equipped with a tuning-fork base, and at least first and second tuning-fork arms connected to the tuning-fork base. One end in each of the first and second tuning-fork arms is connected to the tuning-fork base, and the other end is free; grooves are formed in each of the upper and lower sides of the tuning-fork arms, and electrodes are disposed on the upper sides of the grooves and the tuning-fork arms so as to oscillate in a reverse-phase flexible mode; and sizes of the tuning forks, grooves, and electrodes are determined so that the figure of merit M<SB>1</SB>in the fundamental-wave mode oscillation of the tuning-fork crystal oscillator is larger than the figure of merit M<SB>2</SB>in the secondary harmonic-mode oscillation.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2011152226-A (JP)
Title: Ultrasonic diagnostic apparatus
Inventor: MURAMATSU HIROSHI
IPC: A61B8/00
Filed: 2010-01-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide an ultrasonic diagnostic apparatus capable of reducing the amount of operation of an operating device and the frequency of operation of switches, and excellent in the operability.  <P>SOLUTION: The ultrasonic diagnostic apparatus 1 includes a display device 12 for generating an ultrasonic image by using reflection waves acquired by projecting ultrasonic waves to a subject and displaying the generated ultrasonic image, and a GUI (a graphic user interface) and a track ball 10 capable of setting a region of interest and other display processing by moving a cursor on the screen of the display device 12. The ultrasonic diagnostic apparatus 1 also includes: an operation sorting part 14 for sorting the operation of the track ball 10 into two operation categories, a regular operation category and a special operation category, with the motion of the track ball 10 as a condition for determination when the cursor is moved on the screen by using the track ball 10; and a display control part 8 for executing the display processing different from the transfer of the cursor in place of the transfer of the cursor or together with the transfer of the cursor if the operation of the track ball 10 is sorted as the special operation.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011154847-A (JP)
Title: Metal halide lamp and lighting fixture
Inventor: SASAI YASUSHI
IPC: F21Y101/00
Filed: 2010-01-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a metal halide lamp of 100 W class or lower, which has a high color rendering and a high efficiency.  <P>SOLUTION: The metal halide lamp has an arc tube of ceramic and its rated power is 35-100 W and color temperature is 2,800-3,700 K. A halogen additive is filled as a light-emitting substance. The halogen additive is composed of (1) cerium (Ce), (2) sodium (Na), calcium (Ca), (4) thallium (Tl), and (5) a rare-earth metal consisting of at least one out of disprosium (Dy), thulium (Tm), and holmium (Ho). The halogen additive is an iodide and in each of composition ratio of the halogen additives, 1.5-3 mol% or less cerium iodide is included, 45-90 mol% or less sodium iodide is included, 5-15 mol% or less calcium iodide is included, and 2-7 mol% or less thallium iodide is included.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011159597-A (JP)
Title: Battery pack
Inventor: HATA YUSAKU
IPC: H01M2/10
Filed: 2010-02-03
Abstract: <P>PROBLEM TO BE SOLVED: To provide a battery pack that can excellenty fix square batteries and improve manufacturing yield and manufacturing efficiency.  <P>SOLUTION: The battery pack includes a plurality of square batteries 1 respectively having a metallic can and an insulating outer package and a case having a first support member and a second support member forming a plurality of fixing parts 50 together with the first support member. Each fixing part 50 has a first contact part 60 and a second contact part 70. The first contact part 60 includes protrusions 61, 62 while the second contact part 70 includes protrusions 71, 72. The protrusion 61 is in contact with the side face S within a range of 22% of the length of the side face S from a corner A1 and is at least partially in contact with the side face S within a range of 17-22% of the length of the side face S from the corner A1. The protrusion 71 is in contact with the side face S within a range of 22% of the length of the side face S from a corner A2 and is at least partially in contact with the side face S within a range of 17-22% of the length of the side face S from the corner A2.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011160678-A (JP)
Title: Microrna effective for detecting presence of liver tumor lesion in mammal for supplying specimen
Inventor: SUGATA TOKUO
IPC: G01N33/15
Filed: 2010-02-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide a cancer inspection method for accurately and simply evaluating the liver carcinogenesis of a chemical substance as much as possible, to provide a method for screening a mammal individual about the prime factor of liver cancer, and to provide a method for treating the liver cancer.  <P>SOLUTION: There is provided a microRNA effective for detecting the presence of a liver tumor lesion in a mammal for providing a specimen; one or more microRNAs selected from the microRNA group: let-7a and let-7f, and the like.  <P>COPYRIGHT: (C)2011,JPO&INPIT