baber/WOPTO huggingface dataset:
Patent JP-2010515827-A (JP)
Title: プラズマチャンバ材料としてのイットリウム酸化物の寿命の延長
IPC: C23C4/18
Filed: 2008-01-03
Abstract: プラズマチャンバ材料としてのイットリウム酸化物の寿命を延長する２つの方法が提供される。１つの方法は、２層の未焼結体を同時焼結することによってプラズマ処理チャンバの３層部品を作成することを備え、１つの層はセラミックパーティクルを備え、第２の層はイットリアパーティクルを備える。２つの層は、焼結処理の間、密に接触する。好ましい実施形態では、３層部品は、イットリアの外層と、ＹＡＧの中間層と、アルミナの第２の外層とを備える。随意的に、ディスは、焼結処理の間、共にプレスされる。３層部品は、低い多孔性を有する。好ましくは、イットリアの外層、ＹＡＧの中間層及びアルミナの第２の外層のいずれかの多孔性は、３％未満である。第２の方法は、部品の全てのイットリア表面上の封止剤をブラッシングして部品に室温で５０ｃＰ未満の粘度の液体嫌気性封止剤を適用することと、部品をウエットクリーニングすることと、ウエットクリーニングした部品を窒素環境における少なくとも１５０℃の温度で２時間以上修復させることと、第１のコートを適用するために用いた手順を繰り返して修復した基板に第２の封止剤コート適用すること、によって、イットリアプラズマ溶射を被覆した部品を封止する。 【選択図】図１
Patent JP-2010518071-A (JP)
Title: 抗癌剤として有用な新規のカチオン性１７α−置換−エストラジオール誘導体
IPC: C07J41/00
Filed: 2007-12-31
Abstract: 本発明は、新規の一連の脂質ベースのカチオン性１７α−置換−エストラジオール誘導体を提供する。本発明は、更に、新規の一連の１７α−置換−エストラジオール誘導体の調製のための方法を提供する。本発明は、エストロゲン反応性細胞株におけるこれらの分子の高度に選択的な抗癌活性に関する情報も提供する。該化合物は、ＭＣＦ−７、Ｔ４７Ｄ（エストロゲン受容体陽性細胞株）、ＭＤＡ−ＭＢ−４６８（エストロゲン受容体ノックアウト細胞株）、Ｈｅｌａ（子宮頸癌）のような婦人科関連の癌細胞株に対して高レベルの毒性を誘発する。本発明のクラスの脂質ベースのカチオン性エストラジオール誘導体は、民族性にかかわらず、女性集団に最もよくみられる婦人科関連の癌の治療のための標的特異的に送達可能な抗癌剤の開発に特定の用途を見出されると思われる。
Patent JP-2010518165-A (JP)
Title: ヒスタミンｈ４受容体の２−アミノピリミジン系モジュレーター
IPC: C07D487/04
Filed: 2008-02-14
Abstract: ２−アミノピリミジン化合物を記述し、これらはＨ ４ 受容体モジュレーターとして用いるに有用である。そのような化合物はＨ ４ 受容体の活性が媒介する病気状態、障害および疾患、例えばアレルギー、喘息、自己免疫病および掻痒などを治療するための製薬学的組成物および方法で使用可能である。 【選択図】  なし
Patent JP-2010522256-A (JP)
Title: フルオロベタインコポリマーおよびそれからの消火泡濃縮物
IPC: C08F220/24
Filed: 2008-03-14
Abstract: 分子当たり１つのみのベタイン基を有するフルオロ界面活性剤と比べて、分子当たり複数のベタイン基を有するフルオロ界面活性剤が、消火組成物の他の成分との静電相互作用を受ける能力において優れており、それによって消火組成物の性能を改善することが本発明によって発見された。以前より知られているフルオロ界面活性剤は分子当たり１つのみのベタイン基を含んでいる。それに反して、本発明は、複数のベタイン基を含有するフルオロベタインコポリマーを提供する。
Patent JP-2010522171-A (JP)
Title: ８−［｛１−（３，５−ビス−（トリフルオロメチル）フェニル）−エトキシ｝メチル］−８−フェニル−１，７−ジアザ−スピロ［４．５］デカン−２−オン化合物の合成のための方法および中間体
IPC: A61P25/04
Filed: 2008-03-20
Abstract: 本出願は、式２７ａ−スルホン酸塩化合物を酢酸の存在下で亜鉛と反応させるステップを含む、８−（｛１−（３，５−ビス−（トリフルオロメチル）フェニル）−エトキシ）−メチル｝−８−フェニル−１，７−ジアザ−スピロ［４．５］デカン−２−オンの合成方法を開示する。この方法は、（ａ）式ＩＩＩの保護エナミンをニトロ化剤と反応させて対応する保護ニトロ−エナミンを生成させ、続いてその生成物を還元して式ＩＶの保護ピペリジンとするステップと、（ｂ）ステップ「ａ」からの式ＩＶの保護ピペリジンを、パラジウム触媒の存在下で水素と反応させることによって脱保護して式Ｖの化合物を生成させるステップと、などを含む。
Patent JP-2010178736-A (JP)
Title: Skin beauty-ameliorating agent, antioxidant, skin beauty-ameliorating composition, or cosmetic food/drink
Inventor: AI TOMOYOSHI
IPC: A23L33/15
Filed: 2010-01-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide a skin beauty-ameliorating agent, an antioxidant, a skin beauty-ameliorating composition or a cosmetic food/drink.  <P>SOLUTION: This food/drink containing a plant extract, a sporogenetic lactobacillus, collagen, vitamin C and vitamin B6 is found out to exhibit an excellent effect for the improvement of the skin beauty by the synergistic effect of contained active ingredients.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2011143791-A (JP)
Title: Core metal for crawler, and rubber crawler
Inventor: MIZUSAWA TAKASHI
IPC: B62D55/253
Filed: 2010-01-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide core metals for a crawler which can be connected by a simple operation without using dedicated parts for connection and can inhibit the disengagement of the connection during the traveling of the crawler.  <P>SOLUTION: The core metals 20 for a crawler, which are arranged with fixed intervals in the circumferential direction and connected to each adjacent metal, constitute an endless crawler belt 13. Each core metal has: a pin 28 and a pin 29, which extend in the width direction; a hooking groove 30 and a hooking groove 31, on which the pin 28 and pin 29 of the core metals 20 adjacent are hooked; and a circumferential protrusion 38 and a circumferential protrusion 39, which protrude in circumferential direction so as to overlap the core metals 20 adjacent in the connected state of the core metals 20 adjacent and prevent the relative movement in the inner and outer direction of the core metals 20 adjacent by the contact of the core metals 20 adjacent. This structure enables the core metals to be connected by a simple operation without using dedicated parts for connection and can inhibit the disengagement of the connection during the traveling of the crawler.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011143055-A (JP)
Title: Medical image diagnostic apparatus and medical image display apparatus
Inventor: SUGIURA SATOSHI
IPC: A61B6/03
Filed: 2010-01-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide a medical image diagnostic apparatus and a medical image display apparatus, capable of automatically forming cross-sectional images needed for diagnostic reading just by picking up three-dimensional medical images and performing accurate and quick diagnosing.  <P>SOLUTION: The medical image diagnostic apparatus includes: a specifying unit 52 for specifying the arbitrary cross section of a model image as a specified cross section; an operation unit 56 for computing the correlation parameter of the feature point of the model image and the specified cross section; an extraction unit 62 for extracting a feature point from the three-dimensional medical image for which the inside of a subject corresponding to the model image is picked up; and a generation unit 64 for generating the cross-sectional image of the three-dimensional medical image corresponding to the specified cross section from the relation of the extracted feature point and the computed correlation parameter.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011148008-A (JP)
Title: Curvilinear cutting device and circular saw for the same
Inventor: OSUMI NOBUYUKI
IPC: B23D61/02
Filed: 2010-01-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a cutting device using a circular saw which can cut (slit, feed) a workpiece along any curved cutting line.  <P>SOLUTION: This curvilinear cutting device 1 for cutting a workpiece 10 along any curved cutting line includes a circular saw 20 at least the outer peripheral part of which is bendable and which can cut the workpiece along the curved cutting line while bending the outer peripheral part, a rotary means 30 for rotating the circular saw, a pressing means 40 for bending the outer peripheral part of the circular saw by pressing or displacing the circular saw in the direction parallel to the rotating axis thereof at a pressing portion on the rotating side-surface, and a control means which controls the relative position of the workpiece and the circular saw and controls the rotary means and the pressing means. The control means controls the pressing force or the displacement amount of the pressing means according to the curvature of the cutting line for the workpiece.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011147834-A (JP)
Title: Honeycomb
Inventor: KOMORI TERUO
IPC: F01N3/02
Filed: 2010-01-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a honeycomb capable of preventing a crack caused by a heat shock resulting from a cell of a small cross section, and of preventing a defective seal of a cell opening.  <P>SOLUTION: The honeycomb 1 comprising a plurality of through-holes for use in a filter for cleaning exhaust discharged from an internal combustion engine, includes an outer shell 2 formed in a cylindrical shape, a cylindrical inner separation wall 11 disposed inside the inner surface of the outer shell 2, an inner cell separation wall 12 disposed inside the inner separation wall 11 to form a plurality of through-holes 10h, an outer cell separation wall 13 disposed between the inner separation wall 11 and the outer shell 2 to form a plurality of through-holes 13h therebetween, and a plurality of linking through-holes 20 each disposed in the vicinity of the inner separation wall 11 and formed by combining a boundary part 21 that can form through-holes 10h each surrounded by the inner separation wall 11 and the inner cell separation wall 12, and a linking part 22 that can form through-holes 10h, 13h sharing the inner separation wall 11 and/or the inner cell separation wall 12 with the boundary part 21.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011150511-A (JP)
Title: Device and method for displaying contents
Inventor: TSUBAKI YASUNORI
IPC: G06F3/048
Filed: 2010-01-21
Abstract: <P>PROBLEM TO BE SOLVED: To convert a coordinate of a point designated on a reproduced image after deformation to a coordinate on a reproduced image before deformation without using a reverse conversion expression of image deformation.  <P>SOLUTION: A coordinate conversion part 11 for obtaining a pixel value of a pixel positioned at an input coordinate (x, y) as a horizontal coordinate x' from a horizontal coordinate reference image I_h(x, y) after deformation, and for obtaining a pixel value of a pixel positioned at the input coordinate (x, y) as a vertical coordinate y' from a vertical coordinate reference image I_v(x, y) after deformation is provided, while a reproduction information analyzing part 3 obtains content data relating to content which is positioned at a coordinate (x', y'), and outputs the content data to a content reproducing part 4.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2010170688-A (JP)
Title: Information storage medium, information reproducing method, information recording method, and information reproducing device
Inventor: ANDO HIDEO
IPC: G11B7/007
Filed: 2010-01-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide an information storage medium to/from which digital video information can be recorded and reproduced, and an information reproducing method, an information recording method, and an information reproducing device using the medium.  <P>SOLUTION: In the information storage medium, an AV (Audio Video) file, cell time information, PGC (Program Chain) information are recorded in respective different areas. The cell time information includes a time code table related to a video object. Overlapping reproduction of the same part in the video object is performed between different cells in different PGC. The unit of address managed in control information to which the cell time information and the PGC information belong is different from the unit of AV address defined in the AV file. Information about the sampling frequency of an audio signal is included in the cell time information, and the information about the sampling frequency is included in an area different from the area for information about the number of specific units.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2011153102-A (JP)
Title: Prophylactic or therapeutic agent for crohn's disease containing organic acid polymer as active component
Inventor: HASHIMOTO HIROYUKI
IPC: A61P1/00
Filed: 2010-01-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a therapeutic agent for Crohn's disease of unknown cause and lacking radical therapeutic agent.  <P>SOLUTION: The prophylactic or therapeutic agent for Crohn's disease includes an organic acid polymer expressed by the formula [(O<SB>1/2</SB>)<SB>3</SB>Ge-A-CO<SB>2</SB>H]<SB>n</SB>(in the formula, n is 100-1,000; and A is lower alkyl). Preferably, the group A of the organic acid polymer is 1-3C lower alkyl and the polymer has a polymerization degree n of 200-900. The organic acid polymer is effective as a therapeutic agent for Crohn's disease.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011157985-A (JP)
Title: Piping support structure, piping support tool, and method of supporting piping
Inventor: MATSUO MANABU
IPC: F16L3/10
Filed: 2010-01-29
Abstract: <P>PROBLEM TO BE SOLVED: To reduce the number of wasteful man-hours and cost in piping installation work.  <P>SOLUTION: A piping support tool 1 includes a first plate member 10, a holding member 20, rod members (bolts) 50, and nuts 60. The first plate member 10, which is a plate member made of a metal material, is welded to a fixed structure 3. The holding member 20, which has two clamping parts 22a, 22b is stacked on the first plate member 10. The two clamping parts 22a, 22b clamp a piping 5. The bolts 50, one ends of which are fixed to the first plate member 10, extend penetrating the holding member 20. First male screw parts 54 are formed at the other ends of the bolts 50. The nuts 60 are screwed to the first male screw parts 54 so as to tighten the two clamping parts 22a, 22b between the first plate member 10 and themselves.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011158281-A (JP)
Title: Device, method and program for route search, and recording medium
Inventor: MIYOSHI DAICHI
IPC: G01C21/34
Filed: 2010-01-29
Abstract: <P>PROBLEM TO BE SOLVED: To avoid danger caused by shining with direct sunlight into a driver's seat.  <P>SOLUTION: A device 100 for route search searches for a traveling route of a vehicle. An estimating part 101 estimates whether or not the direct sunlight radiates a driver's seat of a vehicle from the front face in the direction of the progress of the vehicle when the vehicle passes at a prescribed point. A searching part 102 searches for the traveling route based on the result of estimation by the estimating part 101. In more detail, the searching part 102 searches for the traveling route so that the points where the direct sunlight radiates the driver's seat may be in a prescribed proportion or below to all of sections on the traveling route.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011158735-A (JP)
Title: Barrier mechanism and camera
Inventor: IMAOKA RYUICHI
IPC: G03B11/04
Filed: 2010-02-01
Abstract: <P>PROBLEM TO BE SOLVED: To provide a barrier mechanism capable of preventing the occurrence of malfunction of a barrier blade by preventing an elastic member from being interposed between a rib of a barrier substrate and the barrier blade.  <P>SOLUTION: The barrier mechanism 10 includes: a barrier cover 11 having an aperture 11a and arranged closest to a subject side; the barrier substrate 12 having an aperture in the center and arranged closer to an optical lens side than the barrier cover 11 while leaving a fixed space between the barrier cover 11 and the barrier substrate 12; and groups of two barrier blades 13a and 13b, 14a and 14b, and 15a and 15b provided on the barrier cover 11. The barrier substrate 12 has the ribs 12c and 12d regulating movement of the barrier blade in a shaft direction of a supporting shaft 11b. The barrier blade 13a located closest to the optical lens side is arranged closer to the optical lens side than apexes of the ribs 12c and 12d, and the other barrier blades 14a and 15a are arranged closer to the subject side than the apexes of the ribs 12c and 12d.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011158388-A (JP)
Title: Membrane tank, and leak test method of the same
Inventor: KIDA KEISUKE
IPC: G01M3/20
Filed: 2010-02-02
Abstract: <P>PROBLEM TO BE SOLVED: To provide a membrane tank capable of improving detection accuracy of a leak test.  <P>SOLUTION: In an LNG tank 1 including membrane 20 made of stainless steel whose inside is used as an LNG storage part, a cold reserving layer 50 arranged along the outside of the membrane 20, and a skeleton 10 made of concrete and arranged on the outside of the cold reserving layer 50, a corrugation 25 for heat shrinkage absorption projecting to the storage part 24 side and extending along the radial direction is provided on a bottom part 21 of the membrane 20. In the tank 1, an interception member for blocking passage of gas is installed between the corrugation 25 and the cold reserving layer 50 in the outer peripheral domain on the bottom part 21 of the membrane 20.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2010148884-A (JP)
Title: Metabolic monitoring to display situation associated with health of subject, and method and apparatus therefor,
Inventor: LILJERYD LARS GUSTAF
IPC: G16Z99/00
Filed: 2010-02-04
Abstract: <P>PROBLEM TO BE SOLVED: To provide an idea which is improved to indicate such situation associated with the health of a subject that is easier to comprehend, brings a lower running cost, is more comfortable for the subject to use, and makes the subject feel like further trying.  <P>SOLUTION: A metabolic monitoring apparatus includes: a predictor (30) involving one sequence provided from a first biological volume of samples by a first invasive measurement method; and another sequence provided from a second biological volume of samples by a second non-invasive measurement method, wherein the first biological volume can provide a more accurate indication about the situation associated with the health of a subject than the second biological volume and, wherein the predictor uses the second volume of samples to provide a predicted value for the first biological volume for a certain period during which the first biological volume of samples are absent; and an output interface (25) that outputs the predicted value or the data derived from the predicted value in order to provide the indication about the situation associated with the health of the subject.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2011165383-A (JP)
Title: Shield connector
Inventor: Fujiwara michiyo
IPC: H01R13/73
Filed: 2010-02-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide a shield connector with a protective structure capable of avoiding damages to a resilient contact piece provided on a shield shell.  <P>SOLUTION: A shield connector 30 is provided with a housing 40, including a terminal mounting portion 41, a receptacle 55 and a mounting flange 61, male terminals 31, mounted such that tabs thereof project into the receptacle 55, and a shield shell 100, including a shell body 110 and resilient contact pieces 120 for grounding the shell body 110 to a mounting member. The resilient contact pieces 120 include leading end portions 121, accommodated in accommodating portions 67 formed in the mounting flange 61, and the housing 40 includes protection walls 70 located lateral to the resilient contact pieces 120.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011161976-A (JP)
Title: Method of manufacturing aircraft wing structure
Inventor: AZUMA HIROHIDE
IPC: B29C43/18
Filed: 2010-02-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method of manufacturing an aircraft wing structure that prevents separation between a stringer and a skin.  <P>SOLUTION: The aircraft wing structure includes an upper wing half structural body, and a lower wing half structural body attached to the upper wing half structural body. The method of manufacturing the aircraft wing structure includes a process for manufacturing the upper wing half structural body. An upper wing half prepreg molded body 61 is manufactured by building a layer of a prepreg 32 for upper outer skin on an lower mold 31, placing a plurality of stringer molded bodies 33 on a prepreg 32 for upper outer skin, building a layer of a prepreg 36 for upper inner skin on the stringer molded bodies 33, and placing a plurality of prepreg molded bodies 38, 39 for middle spars each molded in advance for forming a middle spar on the prepreg 36 for upper inner skin. The upper wing half structural body is manufactured by covering the upper wing half prepreg molded body 61 with a vacuum bag, sucking into vacuum, and hardening by heating and pressurizing.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011165913-A (JP)
Title: Electronic component mounting machine and method for mounting electronic components
Inventor: SHIMADA ATSUHITO
IPC: H05K13/02
Filed: 2010-02-10
Abstract: <P>PROBLEM TO BE SOLVED: To provide an electronic component mounting machine which has a reduced time loss, suppresses a reduction in the productivity of substrates, and has no need of separately providing an installation space of a paste feeding device in mounting electronic components to be mounted on the substrate by attaching a paste to the electronic component picked up from a tray, and also to provide a method for mounting electronic components.  <P>SOLUTION: In addition to a tray storage magazine 31 for storing a tray placing pallet 42 on which a tray 43 storing an electronic component 4 is placed in such a way that it is freely drawn way, provided is a paste plate storing magazine 32 for storing a paste plate placing pallet 52 on which a paste plate 53 with a paste Pst formed in a film shape by relative movement with a squeegee 55 is placed, in such a way that it is freely drawn way. After selectively drawing the tray placing pallet 42 or the paste plate placing pallet 52, the drawn tray placing pallet 42 or the paste plate placing pallet 52 are individually positioned in the positions of predetermined heights by a table member 63.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2010110656-A (JP)
Title: Tomographic image photographing apparatus, tomographic image photographing method, program and program storing medium
Inventor: IWASE YOSHIHIKO
IPC: A61B3/14
Filed: 2010-02-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide a mechanism that detects displacement or distortion of images due to movements or blinking of the subject eye and easily determines an accuracy of optical tomographic images while photographing the eye by means of an optical coherence tomograph.  <P>SOLUTION: An image processing section 252 acquires information showing a continuity of tomographic images of the subject eye. A determination section 253 determines a photographic state of the subject eye on the basis of the information acquired by the image processing section 252.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2011172314-A (JP)
Title: Power conversion apparatus
Inventor: KURIHARA TAKASHI
IPC: H02M7/48
Filed: 2010-02-16
Abstract: <P>PROBLEM TO BE SOLVED: To provide a power conversion apparatus, capable of connecting a power terminal with a bus bar easily and reliably.  <P>SOLUTION: A power conversion apparatus is constituted by stacking a plurality of semiconductor modules 2 each having switching elements for constituting a power converting circuit and a plurality of cooling pipes 31 each cooling the plurality of semiconductor modules 2 alternately, and includes a bus bar 4 for electrically connecting the plurality of semiconductor modules 2 with outside. Each semiconductor module 2 includes a power terminal 22 to be connected with the bus bar 4, and the bus bar 4 includes a supporting plate 5 and a slide plate 6 which is piled on the supporting plate 5 and can slide on the supporting plate 5. The power terminal 22 is sandwiched and connected by the first risers 513 and 523 of the supporting plate 5 and the second risers 613 and 623 of the slide plate 6.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011167784-A (JP)
Title: Surface coated cutting tool
Inventor: IMAMURA SHINYA
IPC: C23C14/06
Filed: 2010-02-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide a surface coated cutting tool having a coating film with wear resistance, chipping resistance and adhesion on the surface of the tool.  <P>SOLUTION: The surface coated cutting tool includes a base material and a coating film formed thereon. The coating layer has a film thickness of 1-15 μm and includes a layered product configured such that two or more layers A including Al<SB>a</SB>Ti<SB>b</SB>Si<SB>c</SB>N (wherein 0.35≤a≤0.7, 0<c≤0.1, a+b+c=1) and two or more layers B including Ti<SB>d</SB>Si<SB>e</SB>N (wherein 0<e≤0.1, d+e=1) are respectively alternately laminated. The layer thickness of the layer A and layer B are respectively 20 nm or less. The atomic ratio c of Si constituting the layer A and the atomic ratio e of Si constituting the layer B satisfy formula (I): ¾c-e¾≤0.05.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011168746-A (JP)
Title: Material composition, and optical element using the same
Inventor: SAWAMOTO ASUKA
IPC: G02B5/18
Filed: 2010-02-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide a material composition which is good in low-temperature characteristics and transparency; and an optical element, such as an optical lens, which comprises this composition.  <P>SOLUTION: This material composition includes a polymerizable functional group-bearing diphenyl compound (A), inorganic compound particles (B), and an N-substituted carbazole compound (C) which is substituted with a polymerizable functional group.  <P>COPYRIGHT: (C)2011,JPO&INPIT