Patents by Inventor Hirofumi Ota
Hirofumi Ota 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).
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Publication number: 20170133589Abstract: Provided is the fluorene derivative represented in formula (1). (In the formula, R1 and/or R2 represents an alkoxy group, an alkenyloxy group, an alkynyloxy group, an aryloxy group, a heteroaryloxy group or an alkyl group that includes at least one ether structure, R3 and R4 represent a prescribed substituent, n1 and n2 are integers 0-3, and Ar1 and Ar2 represent a prescribed nitrogen-containing group.Type: ApplicationFiled: March 23, 2015Publication date: May 11, 2017Applicant: NISSAN CHEMICAL INDUSTRIES, LTD.Inventors: Hirofumi OTA, Toshiyuki ENDO
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Publication number: 20160289208Abstract: This 2-pyridone compound represented by formula [1] or a tautomer of said compound, or a pharmaceutically acceptable salt of said compound or said tautomer, or a solvate of said compound or the like has a superior UK-activating effect and is useful as a pharmaceutical.Type: ApplicationFiled: November 12, 2013Publication date: October 6, 2016Applicants: TAISHO PHARMACEUTICAL CO., LTD., NISSAN CHEMICAL INDUSTRIES, LTD.Inventors: Shoichi KURODA, Yudai IMAI, Takanori KAWAGUCHI, Keiko FUSEGI, Masahiro BOHNO, Hajime ASANUMA, Tomomichi CHONAN, Nagaaki SATO, Souichi MONMA, Shigetada SASAKO, Marie MIZUTANI, Shin ITOH, Takumi OKADA, Hirofumi OTA, Seishi ISHIYAMA
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Patent number: 9132651Abstract: A seal member configured to seal a supply port for supplying ink contained in an ink tank to an outside of the ink tank is provided. The seal member includes a first area corresponding to the supply port and an ink absorbing member disposed in a second area located outside the first area.Type: GrantFiled: March 15, 2013Date of Patent: September 15, 2015Assignee: Canon Kabushiki KaishaInventors: Hirofumi Ota, Hiroshi Inomata, Katsumi Eda, Hiroki Hayashi
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Publication number: 20150224804Abstract: A surface treatment method for an image includes a varnishing process of applying an ultraviolet curing varnish to a surface of an image containing wax and an ultraviolet irradiation process of irradiating the applied ultraviolet curing varnish with ultraviolet light. A heating process of heating the surface of the image is performed between the varnishing process and the ultraviolet irradiation process.Type: ApplicationFiled: February 10, 2015Publication date: August 13, 2015Inventors: Hiroshi Inomata, Hirofumi Ota
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Publication number: 20150113971Abstract: A hydraulic control system includes a first oil passage, a first oil pump, a second oil passage, a second oil pump and a check valve. The first oil pump is disposed in the first oil passage. The second oil passage bypasses the first oil pump, includes an intake oil passage and a discharge oil passage, the intake oil passage and the first oil passage are connected to each other at a connection point, and the discharge oil passage includes an air vent hole. The second oil pump is disposed in the second oil passage, configured to take in oil from the intake passage, and configured to discharge the oil into the discharge oil passage. The check valve is provided between the connection point and the air vent hole, configured to restrict flow of the oil from the air vent hole toward the connection point via the second oil pump.Type: ApplicationFiled: October 24, 2014Publication date: April 30, 2015Inventors: Hiroki Morita, Hirofumi Ota, Kohei Dodo, Hideki Kubonoya, Naoki Nishimura
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Patent number: 8822503Abstract: A 2-pyridone compound represented by the formula [1]: {wherein in the formula [1], the ring represented by A represents a benzene ring or a pyridine ring, X represents any of the structures represented by the formulas [3] shown below: V represents a single bond or a lower alkylene group, and W represents a single bond, an ether bond or a lower alkylene group (wherein the lower alkylene group may contain an ether bond)}, a tautomer or stereoisomer of the compound, a pharmaceutically acceptable salt thereof, or a solvate thereof is a compound that has an excellent GK activating effect and is useful as a pharmaceutical.Type: GrantFiled: April 6, 2011Date of Patent: September 2, 2014Assignees: Taisho Pharmaceutical Co., Ltd, Nissan Chemical Industries, Ltd.Inventors: Takanori Kawaguchi, Kengo Watatani, Keiko Fusegi, Masahiro Bohno, Hajime Asanuma, Shoichi Kuroda, Yudai Imai, Tomomichi Chonan, Nagaaki Sato, Shigeru Tokita, Shigetada Sasako, Takumi Okada, Keishi Hayashi, Shin Itoh, Noriko Saito, Rui Jibiki, Seishi Ishiyama, Hirofumi Ota
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Patent number: 8677741Abstract: A vehicle driving apparatus includes: a torque converter having a pump vane wheel, a turbine vane wheel, and a stator vane wheel, the stator vane wheel rotatably disposed between the turbine vane wheel and the pump vane wheel; an electric motor that drives the stator vane wheel; a 25 first connecting and disconnecting means capable of connecting and disconnecting the electric motor and the stator vane wheel to/from each other; and a second connecting and disconnecting means capable of connecting and disconnecting the electric motor and a output shaft to/from each other.Type: GrantFiled: February 6, 2009Date of Patent: March 25, 2014Assignee: Toyota Jidosha Kabushiki KaishaInventors: Hirofumi Ota, Koichi Miyamoto, Toshiya Yamashita, Shingo Eto
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Patent number: 8583335Abstract: A control device for a vehicular drive apparatus, includes: a torque converter having a pump wheel, a turbine wheel and a stator wheel rotatably disposed between the turbine wheel and the pump wheel; an electric motor operative to drive and/or apply a brake to the stator wheel; a first connecting/disconnecting means operable to connect/disconnect the electric motor and the stator wheel to and from each other; a second connecting/disconnecting means operable to connect/disconnect the electric motor and an output shaft to and from each other; and mode switching means for switching a first mode in which the first connecting/disconnecting means is held in a connecting state to allow the electric motor to control a rotating state of the stator wheel and a second mode in which the second connecting/disconnecting means is held in a connecting state to enable the electric motor to perform power running and regeneration, depending on a running condition of a vehicle.Type: GrantFiled: February 6, 2009Date of Patent: November 12, 2013Assignee: Toyota Jidosha Kabushiki KaishaInventors: Hirofumi Ota, Koichi Miyamoto, Shingo Eto
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Publication number: 20130265373Abstract: A seal member configured to seal a supply port for supplying ink contained in an ink tank to an outside of the ink tank is provided. The seal member includes a first area corresponding to the supply port and an ink absorbing member disposed in a second area located outside the first area.Type: ApplicationFiled: March 15, 2013Publication date: October 10, 2013Applicant: CANON KABUSHIKI KAISHAInventors: Hirofumi Ota, Hiroshi Inomata, Katsumi Eda, Hiroki Hayashi
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Patent number: 8552031Abstract: A compound represented by the formula (1): wherein A, B, R1, L1, R2, L2, L3, Y, L4, R3 and X are the same as defined in the description, a tautomer, prodrug or pharmaceutically acceptable salt of the compound or a solvate thereof.Type: GrantFiled: December 7, 2005Date of Patent: October 8, 2013Assignee: Nissan Chemical Industries, Ltd.Inventors: Katsuaki Miyaji, Yukihiro Shigeta, Satoshi Nakano, Shunuske Iwamoto, Yutaka Hirokawa, Hirofumi Ota, Kazufumi Yanagihara, Shingo Owada, Norihisa Ishiwata
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Patent number: 8205655Abstract: A vibration welding apparatus vibrates a vibration-side processing member when the vibration-side processing member comes into pressure-contact with a fixing-side processing member, and the vibration-side processing member and the fixing-side processing member are welded. The vibration welding apparatus includes a first clamp unit for clamping the processing member on the vibration side, a second clamp unit for clamping the processing member on the fixing side, a vibration unit for vibrating the first clamp unit, and a release unit for releasing a state in which the first clamp unit clamps the vibration-side processing member. The first clamp unit moves a pressing member with elastic force of an elastic member, and presses the vibration-side processing member to clamp the vibration side processing member, and the release unit is disposed independently of the first clamp unit, and separates the vibration-side processing member pressed under the elastic force of the elastic member.Type: GrantFiled: January 31, 2011Date of Patent: June 26, 2012Assignee: Canon Kabushiki KaishaInventors: Hirofumi Ota, Isamu Yoneda, Shoko Ina
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Patent number: 8134013Abstract: The present invention provides compounds useful for prevention, treatment or alleviation of diseases against which activation of the thrombopoietin receptor is effective. A compound represented by the formula (1): wherein A, B, R1, L1, R2, L2, L3, Y, L4, R3 and X are the same as defined in the description, a tautomer, prodrug or pharmaceutically acceptable salt of the compound or a solvate thereof.Type: GrantFiled: December 14, 2005Date of Patent: March 13, 2012Assignee: Nissan Chemical Industries, Ltd.Inventors: Katsuaki Myaji, Shunsuke Iwamoto, Satoshi Nakano, Hirofumi Ota, Yukihiro Shigeta, Yutaka Hirokawa, Kazufumi Yanagihara, Koji Toyama, Shingo Owada, Masato Horikawa, Norihisa Ishiwata
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Patent number: 8066608Abstract: An automatic transmission includes a case; a speed change mechanism; a torque converter having a lock-up clutch axially arranged and freely slidably toward and away from the input shaft; a thrust bearing interposed between the flange unit and the side face of the sleeve unit on the input shaft side; a ball bearing that includes an outer race, a side face of which contacts the first step portion toward the input shaft side, and a propeller shaft connecting member capable of connecting with a propeller shaft, spline-engaging with the outer periphery of the output shaft, and contacting a side face of an inner race of the ball bearing upon being pressed axially toward the input shaft side by the propeller shaft.Type: GrantFiled: November 8, 2006Date of Patent: November 29, 2011Assignees: Aisin AW Co., Ltd., Toyota Jidosha Kabushiki KaishaInventors: Nobutada Sugiura, Minoru Todo, Mikio Iwase, Takuya Ishii, Tomohiro Katada, Hirofumi Ota, Kazutoshi Nozaki, Atsushi Honda
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Publication number: 20110237791Abstract: A 2-pyridone compound represented by the formula [1]: {wherein in the formula [1], the ring represented by A represents a benzene ring or a pyridine ring, X represents any of the structures represented by the formulas [3] shown below: V represents a single bond or a lower alkylene group, and W represents a single bond, an ether bond or a lower alkylene group (wherein the lower alkylene group may contain an ether bond)}, a tautomer or stereoisomer of the compound, a pharmaceutically acceptable salt thereof, or a solvate thereof is a compound that has an excellent GK activating effect and is useful as a pharmaceutical.Type: ApplicationFiled: April 6, 2011Publication date: September 29, 2011Applicants: TAISHO PHARMACEUTICAL CO., LTD, NISSAN CHEMICAL INDUSTRIES, LTD.Inventors: Takanori KAWAGUCHI, Kengo WATATANI, Keiko FUSEGI, Masahiro BOHNO, Hajime ASANUMA, Shoichi KURODA, Yudai IMAI, Tomomichi CHONAN, Nagaaki SATO, Shigeru TOKITA, Shigetada SASAKO, Takumi OKADA, Keishi HAYASHI, Shin ITOH, Noriko SAITO, Rui JIBIKI, Seishi ISHIYAMA, Hirofumi OTA
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Patent number: 8026368Abstract: Compounds effective for preventing, treatment or improving diseases against which activation of the thrombopoietin receptor is effective are provided. A compound represented by the formula (I) (wherein R1, R2, R3, L1, L2, X and Y are defined in the description), a tautomer, prodrug or pharmaceutically acceptable salt of the compound or a solvate thereof.Type: GrantFiled: November 7, 2006Date of Patent: September 27, 2011Assignee: Nissan Chemical Industries, Ltd.Inventors: Katsuaki Miyaji, Yukihiro Shigeta, Satoshi Nakano, Hirofumi Ota, Norihisa Ishiwata
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Publication number: 20110186238Abstract: A vibration welding apparatus vibrates a vibration-side processing member in a state in which the vibration-side processing member comes into pressure-contact with a fixing-side processing member, and the vibration-side processing member and the fixing-side processing member are welded. The vibration welding apparatus includes a first clamp unit configured to clamp the processing member on the vibration side, a second clamp unit configured to clamp the processing member on the fixing side, a vibration unit configured to vibrate the first clamp unit, and a release unit configured to release a state in which the first clamp unit clamps the vibration-side processing member.Type: ApplicationFiled: January 31, 2011Publication date: August 4, 2011Applicant: CANON KABUSHIKI KAISHAInventors: Hirofumi Ota, Isamu Yoneda, Shoko Ina
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Patent number: 7972237Abstract: A gear train unit with a motor-generator having a first planetary gear mechanism, a second planetary gear mechanism, an input shaft, an output shaft, a first clutch, and a second clutch is disclosed. The first planetary gear mechanism includes a first sun gear, a first ring gear, and a first carrier. The second planetary gear mechanism has a second sun gear, a second ring gear, and a second carrier. The second sun gear is connected to the first sun gear. The input shaft is connected to the second ring gear. The output shaft is connected to both the first ring gear and the second carrier. The first clutch selectively connects and disconnects the first carrier to and from the motor-generator. The second clutch selectively connects and disconnects the first sun gear and the second sun gear to and from the motor-generator.Type: GrantFiled: October 9, 2008Date of Patent: July 5, 2011Assignee: Toyota Jidosha Kabushiki KaishaInventor: Hirofumi Ota
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Patent number: 7968542Abstract: A compound represented by the formula (I) (wherein R1, R2, R3 and R4 are as defined in the description), a tautomer, prodrug or pharmaceutically acceptable salt of the compound or a solvate thereof.Type: GrantFiled: July 13, 2006Date of Patent: June 28, 2011Assignee: Nissan Chemical Industries, Ltd.Inventors: Katsuaki Miyaji, Kazufumi Yanagihara, Yukihiro Shigeta, Shunsuke Iwamoto, Masato Horikawa, Yutaka Hirokawa, Shingo Owada, Satoshi Nakano, Hirofumi Ota, Norihisa Ishiwata
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Publication number: 20110092496Abstract: A compound represented by the formula (I) (wherein R1, R2, R3 and R4 are as defined in the description), a tautomer, prodrug or pharmaceutically acceptable salt of the compound or a solvate thereof.Type: ApplicationFiled: November 29, 2010Publication date: April 21, 2011Applicant: Nissan Chemical Industries, Ltd.Inventors: Katsuaki MIYAJI, Kazufumi Yanagihara, Yukihiro Shigeta, Shunsuke Iwamoto, Masato Horikawa, Yutaka Hirokawa, Shingo Owada, Satoshi Nakano, Hirofumi Ota, Norihisa Ishiwata
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Publication number: 20110010063Abstract: A control device for a vehicular drive apparatus, includes: a torque converter having a pump wheel, a turbine wheel and a stator wheel rotatably disposed between the turbine wheel and the pump wheel; an electric motor operative to drive and/or apply a brake to the stator wheel; a first connecting/disconnecting means operable to connect/disconnect the electric motor and the stator wheel to and from each other; a second connecting/disconnecting means operable to connect/disconnect the electric motor and an output shaft to and from each other; and mode switching means for switching a first mode in which the first connecting/disconnecting means is held in a connecting state to allow the electric motor to control a rotating state of the stator wheel and a second mode in which the second connecting/disconnecting means is held in a connecting state to enable the electric motor to perform power running and regeneration, depending on a running condition of a vehicle.Type: ApplicationFiled: February 6, 2009Publication date: January 13, 2011Applicant: Toyota Jidoshia Kabushiki KaishaInventors: Hirofumi Ota, Koichi Miyamoto, Shingo Eto