baber/WOPTO huggingface dataset:
Patent JP-2012505525-A (JP)
Title: 燃料電池スタック
IPC: H01M8/02
Filed: 2009-09-29
Abstract: 本発明は、複数個の膜電極アセンブリ（ＭＥＡ）および複数個のバイポーラ板を有する燃料電池スタックに関し、燃料電池スタック中第一のバイポーラ板の少なくとも一つの表面は、波状様式、蛇行様式、またはジグザグ形状様式に延在し、かつバイポーラ板の表面の端点は、ＭＥＡの第一の表面と接触点で接する。本発明は、接触点の少なくともいくつかが、接合接触点と、ＭＥＡの第二の表面上で関係づけられ、その表面は、ＭＥＡの第一の表面の反対側にあり、第二のバイポーラ板の表面は、前記接合接触点と接触すること、ならびに接合接触点および関係づけられた接合接触点がスタック方向に上下に位置付けされること、を提供する。本発明はまた、燃料電池スタックの製造方法に関する。本発明は、さらに、燃料電池スタック用バイポーラ板に関し、波状であるか、蛇行するか、またはジグザグ形状の上部表面、下部表面、左側壁、および右側壁を有する。
Patent JP-2012507517-A (JP)
Title: 廃水発生を最小限にしたジカルボン酸の製造
IPC: C07C51/265
Filed: 2009-10-22
Abstract: 本発明は、キシレン酸化反応からのオフガスのエネルギー含有量を改善し、およびそのオフガスから軸動力を回収し、同時に廃水処理のコストを最小限に抑えることを提供する。オフガスを用いることで、好ましい比較的低い酸化温度であっても、主空気圧縮機の駆動に必要とされるよりも大きな軸動力が得られる。同時に、キシレンの酸化からの副生成物である水よりも多い量の廃水が蒸気の形態で維持され、自立式（自給式）気相熱酸化分解ユニット中にてオフガス汚染物質と共に処理される。所望される場合は、一次および／または二次酸化反応器を含んでなり、ＴＰＡおよび／またはＩＰＡを形成する複数のキシレン酸化反応器からのオフガスを組み合わせてもよい。所望される場合は、空気圧縮機凝縮液と苛性スクラバーのブローダウンとを、ＴＰＡプロセスで、または用水として用いて、ＴＰＡプラントからの液体廃水排出物の通常の流れを効果的に除去してもよい。所望される場合は、ＰＥＴ形成時の水を含有するＰＥＴオフガスを、共用される熱酸化分解ユニット中で処理して、１つに組み合わせたｐＸ‐ＴＰＡ‐ＰＥＴプラント（pX-to-TPA-to-PET plant）からの液体廃水排出物の通常の流れを効果的に除去してもよい。
Patent JP-2012509097-A (JP)
Title: 薬物皮内注射用薬物送達ペンのための力付加装置
IPC: A61M5/178
Filed: 2009-11-17
Abstract: 力付加装置(１１１)は、薬物送達装置(１００)に連結可能であり、ユーザーによって用量設定用ノブ(２４)に掛けられる力を増大し、注射を手助けする。力付加装置(１１１)は、第１のバネ(１２１)及びトルクを蓄えるべく第１のバネ(１２１)に連結された負荷用バレル(１３５)を含む。ラチエット組立体(１２９)は負荷用バレル(１３５)と第１のバネ(１２１)とに連結されている。ラチエット組立体(１２９)は、トルクが第１のバネ(１２１)に蓄えられている第１の位置とトルクが第１のバネ(１２１)から解放される第２の位置とを有している。内側バレル(１３３)がラチエット組立体と薬物送達装置(１００)とに連結されている。内側バレル(１３３)は、第１のバネ(１２１)から蓄えられているトルクを薬物送達装置(１００)にその注入力を増大させるべく伝達する。
Patent JP-2012512954-A (JP)
Title: ワイヤーソー切断のための切断用流体組成物
IPC: C10M129/06
Filed: 2009-12-21
Abstract: 本発明は、ワイヤーソー切断プロセスの間に生成する水素の量を低減する、水性のワイヤーソー切断用流体組成物を提供する。この組成物は、水性担体、粒子状研磨材、増粘剤および水素抑制剤を含んでいる。
Patent JP-2012513929-A (JP)
Title: オートバイ用タイヤ
IPC: B60C11/04
Filed: 2008-12-24
Abstract: オートバイ用のタイヤ（１）が、トレッドバンド（８）を有し、かつ環状の中心部分（Ａ）と、２つの環状の肩部分（Ｂ）とを含む。トレッドバンド（８）は、一方の環状の肩部分（Ｂ）から他方の環状の肩部分（Ｂ）まで延在しかつ環状の中心部分（Ａ）に第１の頂点（Ｖ１）を有する少なくとも１つの第１の溝（２０）と、赤道面（Ｘ−Ｘ）に対して両側に配置された少なくとも一対の第２の溝（２２）とを含み、前記少なくとも一対の第２の溝（２２）の各溝は、赤道面に対して傾斜しており、かつ各環状の肩部分（Ｂ）から環状の中心部分（Ａ）まで、赤道面（Ｘ−Ｘ）に交差せずに延在する。本発明によれば、前記少なくとも一対の第２の溝（２２）の各溝の軸方向内側端部（Ｅ）と第１の頂点（Ｖ１）との間の周方向における距離は、トレッドバンド（８）の周方向延在部の３．５％以下である。
Patent JP-2012513846-A (JP)
Title: 流体の流れを神経組織に提供するシステム
IPC: A61M1/00
Filed: 2009-12-29
Abstract: 提供される装置は、神経導管と、マニホルドと、支持構造とを具え、減圧を提供する。また、減圧源と、神経導管と、マニホルドと、支持構造と、前記マニホルドの支持部と前記減圧源の間の流体連結を提供する導管とを具えるシステムが提供される。さらに、上記の神経導管、マニホルド、および支持構造を神経組織損傷部位に移植するステップと、前記マニホルドに減圧をかけて神経組織を同時に修復および再生するステップとを含む方法が提供される。 【選択図】図１Ａ
Patent JP-2012508786-A (JP)
Title: 活性成分の粒状物質を製造する新規の方法、及びそれにより得られた粒状物質
IPC: A61K47/02
Filed: 2009-11-13
Abstract: 本発明は、少なくとも２つの活性成分の粒状物質を製造する方法であって、ダスティングにより固体の粒子媒体に該活性成分を塗布する工程を含み、該活性成分が植物エキスではない、方法に関する。
Patent JP-2012517487-A (JP)
Title: 電気泳動ディスプレイのための粒子
IPC: C08F20/34
Filed: 2010-01-29
Abstract: 本発明は、好ましくは荷電保持のための表面官能性を有する着色されたポリマー粒子、それらの調製方法、これらの粒子の電気泳動デバイスの作製のための使用、そのような粒子を含むカラー電気泳動ディスプレイ、および新規な水溶性色素に関する。
Patent JP-2012517285-A (JP)
Title: 埋め込み型デバイス内の相互チャネルノイズ検出器
IPC: A61N1/39
Filed: 2010-01-26
Abstract: 装置は、第１の心臓信号を検知する１次心臓信号検知回路と、第２の心臓信号を検知する２次心臓信号検知回路と、不整脈検出回路とを備える。１次検知回路は、少なくとも第１および第２の埋め込み型電極を含み、２次検知回路は、高エネルギーショック治療を送出する第３の埋め込み型電極を含む。不整脈検出回路は、１次検知回路を使用して頻脈性不整脈を検出し、１次検知回路によって検知される事象と２次検知回路によって検知される事象との間の対応を決定し、決定された対応に応じて、検出された律動がノイズを示すかまたは不整脈を示すかを判断する。
Patent JP-2012069170-A (JP)
Title: Processor and program
Inventor: SAKAMOTO SANAE
IPC: G06F3/042
Filed: 2012-01-12
Abstract: PROBLEM TO BE SOLVED: To provide a processor capable of calculating the number of strokes filled in a column per specified time unit which continues with time, only with a user filling in strokes corresponding to the number counted in the same column of a form for the electronic pen with the electronic pen without being conscious of the time, and generating a tabulation result as digital data.SOLUTION: In a tabulation system 100, a user fills in a form 3 for the electronic pen using a electronic pen 10. A server 5 extracts business form entry information from entry information acquired from the electronic pen 10 by referring to a coordinate table 104. The server 5 calculates the number of strokes included in the business form entry information. The server 5 calculates the number of unit strokes that is the number of strokes per unit time. The server 5 automatically generates tabulation result information based on the number of unit strokes.
Patent JP-2013066147-A (JP)
Title: Level shift circuit
Inventor: KOIKE KENGO
IPC: H03K19/0185
Filed: 2012-01-13
Abstract: PROBLEM TO BE SOLVED: To provide a level shift circuit that can safely and reliably stop a switching element if a level shift reference potential lowers.SOLUTION: A level shift circuit includes: a MOSFET MN3 having a drain connected to a resistance R1 connected to a level shift power supply and a source connected to a ground; a MOSFET MN4 having a drain connected to a resistance R2 having the same resistance value as R1 and connected to the level shift power supply, and a source connected to the ground; a pulse generation circuit 10 for controlling on/off MN3, MN4 on the basis of an input signal; a control sections MN1, MN2, R5, R6 for generating a set signal when MN3 is on and generating a reset signal when MN4 is on; a flip-flop FF1 for outputting an output signal level-shifted from the input signal on the basis of the set signal and reset signal generated by the control sections to operate a switching element Q1; and a switching operation stop section INV3, FF2, AD1 for stopping the switching element on detecting that a level shift reference potential has lowered to a negative potential.
Patent JP-2013148132-A (JP)
Title: Thrust sliding bearing
Inventor: SAITO MASAKI
IPC: F16C17/04
Filed: 2012-01-17
Abstract: PROBLEM TO BE SOLVED: To provide a synthetic resin thrust sliding bearing that exerts lower frictional properties.SOLUTION: A thrust sliding bearing 1 includes a synthetic resin upper case 100, a synthetic resin lower case 200, and a synthetic resin thrust sliding bearing piece 300 which is provided between the upper case 100 and the lower case 200. The thrust sliding bearing piece 300 includes an inner annular groove 306 and an outer annular groove 307, which are formed in an upper surface 304 so as to extend along a circumferential direction R and so as to be coaxial with each other in an inside/outside relationship in a radial direction X; and a lubricating oil agent such as grease which is fully filled into both the inner circular groove 306 and the outer annular groove 307 with no space left unfilled.
Patent JP-2013146320-A (JP)
Title: Game program and game device
Inventor: YONEZAWA TOSHIAKI
IPC: A63F13/00
Filed: 2012-01-18
Abstract: PROBLEM TO BE SOLVED: To provide a game program and a game device, capable of diversifying action presentation of characters in the progress of a game.SOLUTION: A computer is made to function as a condition determination means 44 for determining whether or not a character satisfies a prescribed condition, and as a part mutating means 45 for mutating a prescribed part to a prescribed shape if the condition determination means 44 determines that the character satisfies the prescribed condition. A character motion control means 42 controls motions of the character to make different motions according to the mutated part if the prescribed part is mutated. The character is set so that at least two parts can be mutated among a plurality of parts constituting the character.
Patent JP-2013146770-A (JP)
Title: Roll molding device
Inventor: TAKAMURA TOMOYUKI
IPC: B21D13/04
Filed: 2012-01-20
Abstract: PROBLEM TO BE SOLVED: To provide a roll molding device capable of easily managing the total length of a pair of rolls configured by stacking a plurality of cutting blades and a clearance between blade sections of the cutting blades of each roll and capable of appropriately maintaining the clearance.SOLUTION: A plurality of retainers 21 and a plurality of retainers 121 formed of a member different from cutting blades and managing a shearing clearance are provided to a plurality of cutting blades 22, 122 stacked on a first roll 20 and a second roll 40, respectively. The total length of the pair of rolls configured by stacking the plurality of cutting blades and the clearance between blade sections of the cutting blades of each roll can be easily managed, and the shearing clearance is appropriately maintained. The variation in the thickness tolerance of the cutting blades for each retainer is canceled out.
Patent JP-2013149540-A (JP)
Title: Vehicle lamp
Inventor: ICHIKAWA ASAKI
IPC: F21S8/10
Filed: 2012-01-23
Abstract: PROBLEM TO BE SOLVED: To provide a vehicle lamp in which deterioration of a light volume to the inner side in a vehicle width direction is suppressed and glare of a light source is suppressed.SOLUTION: A vehicle lamp 1 includes a bulb 11, a reflector 8 which is arranged at the back of the bulb 11 and reflects light emitted from the bulb 11 to the front, an inner lens 15 which is arranged in front of the bulb 11, and a garnish 17 which is installed in front of the inner lens 15 at the front face of the bulb 11 and conceals the bulb 11. A shape of the garnish 17 in a cross-section orthogonal to the vehicle width direction is curved with the central part in a vertical direction swollen to the front, and a translucent hole 17d is formed at a position on the lower side of the garnish 17 and shifted to an inner side in the vehicle width direction from the front face of the bulb 11, and further, prisms 15c which deflect light emitted from the bulb 11 and light reflected by the reflector 8 to the translucent hole 17d are formed at the part concealed by the garnish 17 out of the inner lens 15.
Patent JP-2013152574-A (JP)
Title: System for evaluating collected data on contained chemical substance
Inventor: KASE KAZUO
IPC: G06Q50/04
Filed: 2012-01-24
Abstract: PROBLEM TO BE SOLVED: To provide a system for evaluating collected data on contained chemical substances which can promptly determine whether products or assemblies requires registration with the REACH regulation and the like even if there are parts for which information on contained chemical substances has not been collected.SOLUTION: A weight collection rate R=m/M, which is the weight ratio of a total weight of parts having collected information, namely m, to the total weight of an aggregate of parts, namely M, is calculated. Then, r=x/M, which is the weight ratio of the total weight of chemical substances that can be subject to regulation in the information-collected parts, namely x, to the total weight of the aggregate of parts, namely M, is calculated. A threshold occupancy, namely P=r/S, which is the ratio of the weight content rate r to a weight content rate threshold S, the content rate at which a total weight content rate of chemical substances subject to regulation is a regulation threshold, is calculated. From these values, an index value Φ={(1-R)/R}×{P/(1-P)} is calculated. According to the size of the index value Φ, the degree of the risk that products and the like contain any chemical substances subject to regulation is evaluated.
Patent JP-2013154259-A (JP)
Title: Adhesive material collection equipment
Inventor: MIWA TOMOTAKA
IPC: B01D46/02
Filed: 2012-01-26
Abstract: PROBLEM TO BE SOLVED: To uniform the distribution of a precoating agent in the pipe of a carrier piping in adhesive material collection equipment.SOLUTION: Tube parts S1, S2, S3, S5 and S6 for dispersion extending in a direction of an outlet central axis core are disposed at the outlets of refraction tube parts K1 and K5 or the outlets of branched pipe parts K2, K3 and K6 in a carrier piping 23. In the tube parts S1, S2, S3, S5 and S6 for dispersion, diameter reduction tube parts x1, x2, x3, x5 and x6 whose diameters of an internal flow channel are gradually reduced toward a conveyance direction downstream side, and straight tube parts z1, z2, z3. z5 and z6 in which an internal flow channel has the same core disposition with the outlets of the diameter reduction tube parts x1, x2, x3, x5 and x6 and extends in a straight shape are aligned formed from the conveyance direction upstream side by this order.
Patent JP-2013156803-A (JP)
Title: Driving evaluation apparatus, driving evaluation method, driving evaluation program and recording medium
Inventor: NISHIDA MUNESUKE
IPC: G08G1/00
Filed: 2012-01-30
Abstract: PROBLEM TO BE SOLVED: To provide a driving evaluation apparatus capable of properly confirming relative effectiveness of a driving evaluation of a driving operation on a predetermined travelling route afterward in a statistical manner.SOLUTION: The driving evaluation apparatus obtains an own-vehicle comparable segment including plural road segments where the own-vehicle has previously passed for a predetermined times or more, and also obtains other vehicle comparable segment including plural road segments where other vehicle has previously passed for a predetermined times or more. With respect to a travel route where the own-vehicle has traveled this time, any comparable segment corresponding to a vehicle to be compared or a segment overlapping with both comparable segments is set as a driving evaluation comparison segment. By statistically comparing the driving evaluations of the own-vehicle this time and the vehicle to be compared in each of the road segments in the driving evaluation comparison segment, a comparison under substantially same geographical conditions becomes possible, and the comparison between the driving evaluations gets simply closed to the comparison of the techniques of drivers. That is, the technique of the driver in the driving operation this time can be relatively and appropriately evaluated.
Patent JP-2013153989-A (JP)
Title: Bone flap with fixing piece
Inventor: MOTAI HISATO
IPC: A61B17/68
Filed: 2012-01-31
Abstract: PROBLEM TO BE SOLVED: To enable fixing of a bone flap even without use of a fixing bracket, which may exert some influence on the ecosystem because the fixing bracket is recognized as foreign matter, by forming a fixing piece for fixing the bone flap to a defective part of a biological bone, in such a manner that the fixing piece is integrated with the bone flap, when the bone flap is formed by applying cutting work to an artificial bone block.SOLUTION: When a bone flap with a fixing piece for fixing the bone flap formed from an artificial bone is formed in a defective part of a biological bone, a CT value obtained from computed tomography (CT) is converted to three-dimensional data by a computer; an artificial bone block is NC-cutting-worked on the basis of the three-dimensional data to form the bone flap; and the fixing piece for fixing the bone flap to the defective part of the biological bone is formed by being integrated with the bone flap concurrently with the formation of the bone flap.
Patent JP-2013158169-A (JP)
Title: Driver of driven switching element
Inventor: FUKUDA JUNICHI
IPC: B60L3/00
Filed: 2012-01-31
Abstract: PROBLEM TO BE SOLVED: To solve such a problem that a surge voltage may increase excessively, if a switching element S¥# is driven continuously when abnormalities occur in the active gate control function.SOLUTION: When a switching element S¥# is turned off, switching elements for discharge Pdd1, Pdd2 are turned on, at first, and then the switching element for discharge Pdd2 is turned off. Consequently, surge voltage is suppressed while reducing the switching loss as much as possible. The potential nd1 at the joint of the switching element for discharge Pdd1 and a resistor Rd1, and the potential nd2 at the joint of the switching element for discharge Pdd2 and a resistor Rd2 are compared with a threshold voltage by means of comparators 44, 46, respectively. An abnormality diagnosis section 32 diagnoses the presence or absence of abnormalities on the basis of the magnitude comparison results.
Patent JP-2013155692-A (JP)
Title: Fuel pump device of vehicle engine
Inventor: YUGE YUSUKE
IPC: F02F7/00
Filed: 2012-01-31
Abstract: PROBLEM TO BE SOLVED: To provide a fuel pump device of vehicle engine which imparts higher lubricity to the fuel pump device and improves accuracy of valve timing while suppressing that an engine gets larger in the fuel pump device of a vehicle engine.SOLUTION: In a fuel pump device 46 of a vehicle engine 1, a housing is composed of a sensor housing 48 and a pump housing 51, a sensor housing attachment part is formed on an other edge outer circumferential wall 33 which is vertically disposed on the camshaft axial direction other edge side of an outer circumferential wall of a cylinder head 3, a pump cam is arranged between a cam cap 20 which comes closest to the sensor housing attachment part among a plurality of cam caps and the sensor housing attachment part, and the pump housing 51 is fastened to the outer circumferential wall arranged to surround an area between the cam cap 20 which comes closest, of an outer circumferential wall of the cylinder head 3 and the sensor housing attachment part.
Patent JP-2013155430-A (JP)
Title: Hydrogen production apparatus
Inventor: HIROSE KEIICHI
IPC: C25B1/04
Filed: 2012-01-31
Abstract: PROBLEM TO BE SOLVED: To enable linking of optional number of frames in an optional arrangement pattern, to enable installation in a space of a variety of areas and a variety of configurations, to enable production of hydrogen in an intended amount with high efficiency, to enable cost reduction by standardizing parts, and to make maintenance checkup easy.SOLUTION: This hydrogen production apparatus includes a frame that holds a cathode member and an anode member, forms thereinside a space of storing an electrolytic solution, and has a hexahedral shape constituted of an upper face, a lower face, and four side faces; a window part formed on the upper face, to which window part, light received by a photocatalyst is made incident; electric connection parts each disposed on each of the side faces respectively to be made electrically conductive with the anode member and the cathode member respectively; and closable pipe conduit connection parts each disposed on each of the side faces respectively to communicate with the space of storing an electrolytic solution.
Patent JP-2013161639-A (JP)
Title: Collimated light source and planar light source device
Inventor: ISHIKAWA TAKAKO
IPC: F21S2/00
Filed: 2012-02-03
Abstract: PROBLEM TO BE SOLVED: To reduce generation of luminance unevenness or color unevenness in a collimated light source.SOLUTION: A collimated light source 31 comprises light sources 33 and a plurality of collimator lenses 34 (collimator lens array 32). The collimator lens 34 includes an incident surface 35 introducing light from the light source 33 and an emitting surface 36 located opposite to the incident surface 35. Further, the collimator lens 34 includes light-reflecting walls extended from either end side of the incident surface 35 to the emitting surface so that the light is made to be parallel beams. Moreover, the collimator lens 34 includes a through-hole 39 formed between the incident surface 35 and the emitting surface 36 to make the light into parallel light beams.
Patent JP-2013159452-A (JP)
Title: External communication device for elevator
Inventor: YAMAGUCHI KATSUMI
IPC: B66B3/00
Filed: 2012-02-06
Abstract: PROBLEM TO BE SOLVED: To provide an external communication device for elevator, configured to recognize voice of a foreigner in a car of an elevator and informs a corresponding monitoring center.SOLUTION: An intercom device 2 includes: multi-language recognition means 3 for emitting voice guidance in at least one or more languages and recognizing a language of a passenger who has responded to the voice guidance, and contact destination selection means 4 for setting a monitoring center 9, 10, or 20 corresponding to the language recognized by the multi-language recognition means 3, as a contact destination. The device recognizes the foreign language through language analysis and informs the contact destination corresponding to the foreign language without requiring a foreigner, particularly, an infant or a person handicapped in vision in a car to operate any button.
Patent JP-2013161013-A (JP)
Title: Map display device
Inventor: MATSUO SHIGERU
IPC: G09B29/00
Filed: 2012-02-08
Abstract: PROBLEM TO BE SOLVED: To provide a map display device which performs a smooth display of a map when a scale change operation is conducted by a pinch operation in a map display device which displays vector map data of a hierarchical structure having different contraction scales.SOLUTION: In a map display device which accepts an input instruction to display means from detection means detecting contact positions of a plurality of fingers, and changes a display contraction scale of a map stored in accordance with contraction scales of a map for each hierarchy in accordance with a change of a plurality of fingers, there are provided operation assessing means for assessing an operation instructed by means of a change of a plurality of fingers being in contact with the detection means; operation speed calculating means for calculating a velocity of an operation made by the finger on the basis of changed positions of a plurality of fingers detected by the detection means for the asserted operation; and hierarchy selecting means which selects a hierarchy different from a hierarchy of a contraction scale of a map displayed before the operation made by the fingers; whereby a map displayed on the display means before the operation and a map at the hierarchy selected by the hierarchy selecting means are displayed in an overlapped manner.
Patent JP-2013168448-A (JP)
Title: Cooling chamber
Inventor: MORI MASAFUMI
IPC: H01L21/363
Filed: 2012-02-14
Abstract: PROBLEM TO BE SOLVED: To provide a cooling chamber that cools objects while observing a determined cycle time and suppresses an increase in installation space for the chamber.SOLUTION: A cooling unit having a plurality of cooling members in a stack to cool objects placed between the cooling members is provided to simultaneously cool a plurality of objects placed in a vertical direction. This suppresses an increase in installation space for the cooling chamber. A control section for controlling the timing of vertically moving the cooling unit, the timing of delivering the objects into the cooling unit and the timing of delivering the objects out of the cooling unit is also provided to vertically move the cooling unit to a predetermined position and controlling the timing of delivering the objects in and out. This cools the objects while observing a determined cycle time.
Patent JP-2012092354-A (JP)
Title: Production method of olefinic polymer including cyclic olefin-derived skeleton
Inventor: KINOSHITA SHINSUKE
IPC: C08F4/6592
Filed: 2012-02-15
Abstract: PROBLEM TO BE SOLVED: To provide a production method achieving high activity and a high cyclic olefin incorporation ratio, as compared to a conventional polymerization method of a cyclic olefin.SOLUTION: There are provided an olefin polymer containing, as an essential ingredient, a 4C-30C cyclic olefin (C) represented by general formula (I) and a production method thereof, wherein e is an integer of 0-20; Rto Rmay be the same or different from each other and are each an atom or a group selected from a hydrogen atom, a hydrocarbon group, a halogenated hydrocarbon group, a silyl group-substituted hydrocarbon group, and a hydrocarbon group-substituted silyl group; and two groups selected from groups represented by Rto Rmay be bonded so as to form a ring together with carbon atoms to which the two groups bond.