Patents by Inventor Masaharu Nakamura
Masaharu Nakamura has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Patent number: 9166176Abstract: The invention provides a polycyclic aromatic compound or a salt thereof having a partial structure represented by the following general formula (I): wherein X, ring A, ring B, ring C, and ring D are as defined in the specification.Type: GrantFiled: March 9, 2012Date of Patent: October 20, 2015Assignees: Kyoto University, JNC CorporationInventors: Takuji Hatakeyama, Masaharu Nakamura, Sigma Hashimoto
-
Patent number: 9085493Abstract: Produced is a silicon carbide-coated carbon base material in which a silicon carbide coating is densely and uniformly formed on the surface of a carbon base material, such as graphite. A production process includes the steps of: preparing a carbon base material the surface of which has basal plane sites of an SP2 carbon structure with no dangling bond and edge plane sites of an SP2 carbon structure with a dangling bond; and reacting the surface of the carbon base material with SiO gas in an atmosphere at a temperature of 1400° C. to 1600° C. and a pressure of 1 to 150 Pa to form silicon carbide, whereby the carbon base material coated with silicon carbide is produced.Type: GrantFiled: September 1, 2010Date of Patent: July 21, 2015Assignee: Toyo Tanso Co., Ltd.Inventors: Masaharu Nakamura, Yoshinari Miyamoto, Tetsuro Tojo
-
Publication number: 20150097162Abstract: Provided is an organic electroluminescent element which has improved driving voltage and improved current efficiency. An organic electroluminescent element having the above-mentioned improved characteristics is provided by using, as a material for organic electroluminescent elements, a polycyclic aromatic compound in which a nitrogen atom and another heteroatom or a metal atom (X) are adjacent to each other in a non-aromatic ring.Type: ApplicationFiled: September 11, 2013Publication date: April 9, 2015Applicants: JNC Corporation, Kyoto UniversityInventors: Yohei Ono, Kazushi Shiren, Toshiaki Ikuta, Jingping Ni, Takeshi Matsushita, Takuji Hatakeyama, Masaharu Nakamura, Shiguma Hashimoto
-
Patent number: 8950811Abstract: A seat reclining apparatus includes a first member including a first tubular portion, a second member including a second tubular portion, a pair of wedge members each including a protruding portion, a biasing member biasing the wedge members, an input member pressing the protruding portion to rotate the wedge members, a pressing point via which the input member presses the wedge member, a radially inward contact point via which the wedge member is contactable with the first tubular portion, and a radially outward contact point via which the wedge member is contactable with the second tubular portion, wherein in a state where a biasing force of the biasing member is largest because of a dimensional variation in manufacturing, a pressing force line passing through the pressing point is identical to an intermediate line between first and second tangent lines passing through the radially inward and outward contact points.Type: GrantFiled: April 13, 2012Date of Patent: February 10, 2015Assignee: Aisin Seiki Kabushiki KaishaInventors: Masafumi Narita, Masaharu Nakamura
-
Publication number: 20150011715Abstract: Provided is a high-molecular weight conjugate of resorcinol derivatives which is excellent in water solubility and stability and has high antitumor activity even when used in a smaller total drug amount than the resorcinol derivatives. The high-molecular weight conjugate of resorcinol derivatives comprises a structure in which a carboxyl group of polymer moiety having a carboxyl group in the side chain and polyethylene glycol moiety is linked to a hydroxyl group of resorcinol derivatives via an ester bond.Type: ApplicationFiled: September 26, 2014Publication date: January 8, 2015Inventors: Masaharu Nakamura, Masayuki Kitagawa, Keiichirou Yamamoto, Chieko Seno
-
Patent number: 8826753Abstract: A sensor apparatus including a detecting element integrated in a case formed of a synthetic resin material, an O-ring fitted into an annular depression provided on the case, and an O-ring fitting ring member that is formed separately from the case and that is insert-molded in the case, wherein a bottom surface of the annular depression is formed by an outer peripheral surface of the O-ring fitting ring member exposed to an outer surface of the case.Type: GrantFiled: June 20, 2012Date of Patent: September 9, 2014Assignee: Sumitomo Wiring Systems, Ltd.Inventors: Toshinari Kobayashi, Kyungwoo Kim, Masaharu Nakamura
-
Patent number: 8637710Abstract: The present invention provides a process for efficiently producing an alkylated aromatic compound in good yield, by a cross-coupling reaction between an alkyl halide and an aromatic magnesium reagent. A process for producing an aromatic compound represented by Formula (1): R—Ar???(1) wherein R is a hydrocarbon group, and Ar? is an aryl group; the process comprising: reacting a compound represented by Formula (2): R—X??(2) wherein X is a halogen atom, and R is as defined above, with a magnesium reagent represented by Formula (3): Ar?—MgY??(3) wherein Y is a halogen atom, and Ar? is as defined above, in the presence of a catalyst for cross-coupling reactions comprising an iron compound and a bisphosphine compound represented by Formula (4): wherein Q is a divalent group derived from an aromatic ring by removing two hydrogen (H) atoms on adjacent carbon atoms; and each Ar is independently an aryl group.Type: GrantFiled: March 10, 2009Date of Patent: January 28, 2014Assignee: Kyoto UniversityInventors: Masaharu Nakamura, Takuji Hatakeyama, Yu-ichi Fujiwara
-
Publication number: 20140005399Abstract: The invention provides a polycyclic aromatic compound or a salt thereof having a partial structure represented by the following general formula (I): wherein X, ring A, ring B, ring C, and ring D are as defined in the specification.Type: ApplicationFiled: March 9, 2012Publication date: January 2, 2014Applicant: KYOTO UNIVERSITYInventors: Takuji Hatakeyama, Masaharu Nakamura, Sigma Hashimoto
-
Patent number: 8550560Abstract: A seat reclining apparatus for a vehicle, includes the pair of lower arms each connected to the lower side frame, the upper arm positioned between the pair of lower arms and fixedly attached to the upper side frame, the pair of recliners joined to the upper arm and to the pair of lower arms, the electric motor, the lower side frame provided as a pair for sandwiching the pair of lower arms and connected to the pair of lower arms in a manner that the pair of lower arms is pivotable relative to the lower side frame, and a lock member for engaging with the pair of lower side frames and with the pair of lower arms for restricting a relative pivoting movement between the pair of lower side frames and the pair of lower arms in a state where a relative pivot angle therebetween is at a predetermined angle.Type: GrantFiled: September 28, 2011Date of Patent: October 8, 2013Assignee: Aisin Seiki Kabushiki KaishaInventors: Genta Moriyama, Hideki Fujisawa, Masaharu Nakamura
-
Publication number: 20130164559Abstract: [Problem to be Solved]The invention providesa bonding ribbon which can guarantee a uniform fusing over the entire joint area throughout hundreds of thousands of continuous ultrasonic bonding cycles and which can realize an improved bonding strength and which also can avoid being broken while it is looped.Type: ApplicationFiled: September 9, 2010Publication date: June 27, 2013Applicant: TANAKA DENSHI KOGYO K.K.Inventors: Michitaka Mikami, Teruo Kikuchi, Shinichiro Nakashima, Yuichi Hirata, Masaharu Nakamura, Keisuke Kimura
-
Patent number: 8399464Abstract: Disclosed is a triazole derivative(s) represented by the general formula (1) below or a pharmacologically acceptable salt(s) thereof. Also disclosed are a prodrug(s) of such a triazole derivative(s) and an HSP90 inhibitor(s) containing any one of them as an active constituent. (1) (In the formula, X represents a halogen atom, an optionally substituted alkyl group, an optionally substituted alkynyl group or the like; Y represents a mercapto group, a hydroxyl group, an optionally substituted sulfonyl group, an optionally substituted amino group or the like; and R represents an optionally substituted aryl or alkyl group or the like.Type: GrantFiled: March 8, 2006Date of Patent: March 19, 2013Assignee: Nippon Kayaku Kabushiki KaishaInventors: Hiroshi Kuramochi, Setsuko Niitsuma, Masaharu Nakamura, Yoshitaka Sato, Seiichi Saito, Arihiro Tomura, Yuh-ichiro Ichikawa, Yousuke Kasuga
-
Patent number: 8393590Abstract: A vehicle seat rail assembly has a lower rail having a guide groove opening upward in the vertical direction of the vehicle body, that extends in a direction coincident with the longitudinal direction of the vehicle, and supported stationary relative to the vehicle body; an upper rail attached to a vehicle seat and guided by the lower rail to slide in the longitudinal direction of the vehicle; and a cover mechanism that is disposed between a pair of inner walls that define the guide groove of the lower rail and that closes the guide groove. The cover mechanism includes a stationary cover that remains stationary relative to the lower rail and a movable cover that slides relative to stationary cover.Type: GrantFiled: August 8, 2008Date of Patent: March 12, 2013Assignees: Toyota Jidosha Kabushiki Kaisha, Toyota Boshoku Kabushiki Kaisha, Aisin Seiki Kabushiki KaishaInventors: Hideyuki Kato, Hiromasa Hayakawa, Masaharu Nakamura
-
Publication number: 20120326398Abstract: A sensor apparatus including a detecting element integrated in a case formed of a synthetic resin material, an O-ring fitted into an annular depression provided on the case, and an O-ring fitting ring member that is formed separately from the case and that is insert-molded in the case, wherein a bottom surface of the annular depression is formed by an outer peripheral surface of the O-ring fitting ring member exposed to an outer surface of the case.Type: ApplicationFiled: June 20, 2012Publication date: December 27, 2012Applicant: SUMITOMO WIRING SYSTEMS, LTD.Inventors: Toshinari KOBAYASHI, Kyungwoo KIM, Masaharu NAKAMURA
-
Publication number: 20120267932Abstract: A seat reclining apparatus includes a first member including a first tubular portion, a second member including a second tubular portion, a pair of wedge members each including a protruding portion, a biasing member biasing the wedge members, an input member pressing the protruding portion to rotate the wedge members, a pressing point via which the input member presses the wedge member, a radially inward contact point via which the wedge member is contactable with the first tubular portion, and a radially outward contact point via which the wedge member is contactable with the second tubular portion, wherein in a state where a biasing force of the biasing member is largest because of a dimensional variation in manufacturing, a pressing force line passing through the pressing point is identical to an intermediate line between first and second tangent lines passing through the radially inward and outward contact points.Type: ApplicationFiled: April 13, 2012Publication date: October 25, 2012Applicant: Aisin Seiki Kubushiki KaishaInventors: Masafumi NARITA, Masaharu NAKAMURA
-
Patent number: 8211820Abstract: The invention provides a catalyst composition for use in a cross-coupling reaction containing an iron or cobalt fluoride and a nitrogen-containing heterocyclic ring compound represented by General Formula (1A) or (1B), wherein R1 and R2 are same or different, and represent substituted or unsubstituted aryl group etc.; and R3 and R4 are same or different, and represent hydrogen etc., ?represents a single bond or a double bond, and X? represents a monovalent anion. The invention also provides a method for producing a cross-coupling compound by reacting an organic magnesium compound with an organic halogen compound in the presence of the catalyst composition.Type: GrantFiled: March 3, 2008Date of Patent: July 3, 2012Assignees: Kyoto University, Tosoh Finechem CorporationInventors: Masaharu Nakamura, Takuji Hatakeyama
-
Publication number: 20120164441Abstract: Achieved is a ceramic carbon composite material and a ceramic-coated ceramic carbon composite material which are lighter than ceramics and excellent in at least one of properties including oxidation resistance, resistance to dust generation, heat conductivity, electrical conductivity, strength, and denseness. The ceramic carbon composite material is a ceramic carbon composite material in which an interfacial layer of a ceramic is formed between carbon particles of or containing graphite. The ceramic carbon composite material can be produced by forming a green body from ceramic-coated powder in which the surfaces of carbon particles of or containing graphite are coated with individual ceramic layers and sintering the green body.Type: ApplicationFiled: September 1, 2010Publication date: June 28, 2012Applicant: TOYO TANSO CO., LTD.Inventors: Yoshinari Miyamoto, Weiwu Chen, Masaharu Nakamura, Taihei Matsumoto, Tetsuro Tojo
-
Publication number: 20120156479Abstract: Produced is a silicon carbide-coated carbon base material in which a silicon carbide coating is densely and uniformly formed on the surface of a carbon base material, such as graphite. A production process includes the steps of: preparing a carbon base material the surface of which has basal plane sites of an SP2 carbon structure with no dangling bond and edge plane sites of an SP2 carbon structure with a dangling bond; and reacting the surface of the carbon base material with SiO gas in an atmosphere at a temperature of 1400° C. to 1600° C. and a pressure of 1 to 150 Pa to form silicon carbide, whereby the carbon base material coated with silicon carbide is produced.Type: ApplicationFiled: September 1, 2010Publication date: June 21, 2012Applicant: TOYO TANSO CO., LTD.Inventors: Masaharu Nakamura, Yoshinari Miyamoto, Tetsuro Tojo
-
Publication number: 20120074750Abstract: A seat reclining apparatus for a vehicle, includes the pair of lower arms each connected to the lower side frame, the upper arm positioned between the pair of lower arms and fixedly attached to the upper side frame, the pair of recliners joined to the upper arm and to the pair of lower arms, the electric motor, the lower side frame provided as a pair for sandwiching the pair of lower arms and connected to the pair of lower arms in a manner that the pair of lower arms is pivotable relative to the lower side frame, and a lock member for engaging with the pair of lower side frames and with the pair of lower arms for restricting a relative pivoting movement between the pair of lower side frames and the pair of lower arms in a state where a relative pivot angle therebetween is at a predetermined angle.Type: ApplicationFiled: September 28, 2011Publication date: March 29, 2012Applicant: AISIN SEIKI KABUSHIKI KAISHAInventors: Genta Moriyama, Hideki Fujisawa, Masaharu Nakamura
-
Publication number: 20110233365Abstract: A vehicle seat rail assembly has a lower rail having a guide groove opening upward in the vertical direction of the vehicle body, that extends in a direction coincident with the longitudinal direction of the vehicle, and supported stationary relative to the vehicle body; an upper rail attached to a vehicle seat and guided by the lower rail to slide in the longitudinal direction of the vehicle; and a cover mechanism that is disposed between a pair of inner walls that define the guide groove of the lower rail and that closes the guide groove. The cover mechanism includes a stationary cover that remains stationary relative to the lower rail and a movable cover that slides relative to stationary cover.Type: ApplicationFiled: August 8, 2008Publication date: September 29, 2011Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, TOYOTA BOSHOKU KABUSHIKI KAISHA, AISIN SEIKI KABUSHIKI KAISHAInventors: Hideyuki Kato, Hiromasa Hayakawa, Masaharu Nakamura
-
Publication number: 20110236697Abstract: [Issues to be Solved] To provide an aluminum ribbon for ultrasonic bonding, is able to realize the high bonding strength and is able to maintain defined level of bonding strength, during several ten thousand bonding cycles. [Means to be Solved] An aluminum ribbon for ultrasonic bonding is consisted aluminum metal or aluminum based alloy, the purity of aluminum is more than 99.99 wt %, and total amount of organic carbon non-ionic surfactant less than 500 molecular weight vaporized and adhered is 100-1,000 ?g/m2 on the mirror finished bright surface of aluminum ribbon.Type: ApplicationFiled: November 5, 2010Publication date: September 29, 2011Applicant: TANAKA DENSHI KOGYO, K.K.Inventors: Michitaka Mikami, Teruo Kikuchi, Shinichiro Nakashima, Yuichi Hirata, Masaharu Nakamura, Keisuke Kimura