Patents by Inventor Kenichi Hasegawa
Kenichi Hasegawa 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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Patent number: 11817466Abstract: A highly functional photoelectric conversion element is provided. The photoelectric conversion element includes: a first photoelectric converter that detects light in a first wavelength range and photoelectrically converts the light; a second photoelectric converter that detects light in a second wavelength range and photoelectrically converts the light to obtain distance information of a subject; and an optical filter that is disposed between the first photoelectric converter and the second photoelectric converter, and allows the light in the second wavelength range to pass therethrough more easily than the light in the first wavelength range. The first photoelectric converter includes a stacked structure and an electric charge accumulation electrode.Type: GrantFiled: June 17, 2020Date of Patent: November 14, 2023Assignee: Sony Semiconductor Solutions CorporationInventors: Hideaki Togashi, Tetsuji Yamaguchi, Nobuhiro Kawai, Koji Sekiguchi, Masahiro Joei, Kenichi Murata, Shintarou Hirata, Yuta Hasegawa, Yoshito Nagashima
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Patent number: 11816704Abstract: A control apparatus includes a communication interface configured to transmit, to at least one bidding apparatus, range data indicating a geographical range through which at least one vehicle travels, and receive, from the at least one bidding apparatus, bidding data for bidding on an advertising slot associated with the geographical range indicated by the range data, and a controller configured to determine a bidder to whom the advertising slot is to be sold based on the bidding data received by the communication interface.Type: GrantFiled: August 23, 2021Date of Patent: November 14, 2023Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Hiroaki Takeyama, Kenichi Yamada, Hideo Hasegawa, Bryce H. Morisako
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Publication number: 20230284513Abstract: Provided are a display device capable of curbing light leakage between adjacent pixels, a method of manufacturing the display device, and an electronic apparatus using the display device. The display device includes a plurality of light-emitting elements in which a lower electrode, an organic layer, and an upper electrode are laminated in this order on a substrate, an upper surface protective layer laminated on an upper surface side of the light-emitting elements and covering the upper electrodes, and an element isolation wall disposed between adjacent light-emitting elements and covering side edges surfaces of the light-emitting elements, and the element isolation wall extends from the light-emitting elements toward the upper surface protective film in a thickness direction of the light-emitting elements.Type: ApplicationFiled: August 6, 2021Publication date: September 7, 2023Inventors: Daisuke Hamashita, Kenichi Aoyagi, Kenta Hasegawa, Atsushi Yamamoto, Takashi Sakairi
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Publication number: 20230273323Abstract: In a laser radar device according to the present disclosed technique, a frequency of laser light to be emitted adopts discrete values based on intervals of a frequency difference F are adopted. Therefore, TOF corresponding to a distance to a target appears in units of the frequency difference F for each time T, and a Doppler frequency corresponding to a speed of the target appears as a finer change than the frequency difference F. As described above, the present disclosed technique provides a laser radar device including a mechanism for separating frequency information resulting from the distance to the target from frequency information resulting from a speed of the target by a simple method.Type: ApplicationFiled: May 5, 2023Publication date: August 31, 2023Applicant: Mitsubishi Electric CorporationInventors: Kenichi HIROSAWA, Mio NISHIDA, Kiyotomo HASEGAWA
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Patent number: 11714368Abstract: An image forming apparatus includes a heating rotary member, a pressure rotary member, a nip portion formed by the rotary members, a temperature adjustment control section controlling a temperature of the heating rotary member to a target temperature, a cleaning web removing toner adhering to the heating rotary member, and a controller selectively executing one of a cleaning mode and a non-cleaning mode. A first basis weight and a second basis weight greater than the first predetermined basis weight are set, in a job that mixedly uses recording media with the first and second basis weights. When the controller executes the non-cleaning mode, the temperature adjustment control section sets a target temperature of a recording medium with a basis weight less than or equal to the first basis weight to a temperature lower than a target temperature of the recording medium in the cleaning mode.Type: GrantFiled: March 28, 2022Date of Patent: August 1, 2023Assignee: Canon Kabushiki KaishaInventors: Mitsuru Hasegawa, Hiroki Kawai, Ayano Ogata, Yasuharu Toratani, Suguru Takeuchi, Youichi Chikugo, Hidekazu Tatezawa, Yutaro Tsuno, Kenichi Tanaka, Rikiya Takemasa
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Publication number: 20230219617Abstract: A steering control device is applied to a steer-by-wire system in which a steering mechanism and a turning mechanism are mechanically separated. The steering control device applied to the steer-by-wire system controls a drive of a steering motor that functions as a reaction motor that applies reaction torque to a steering wheel. A steering wheel lock calculating unit of the steering control device performs a steering wheel lock drive control for calculating a drive command so as to output a lock torque for maintaining a rotation stop state of the steering wheel by energizing the steering motor when a predetermined condition is satisfied while a vehicle is parked or stopped. A power converter converts power supply electric power according to the drive command calculated by the steering wheel lock calculating unit and supplies the electric power to the steering motor.Type: ApplicationFiled: March 14, 2023Publication date: July 13, 2023Inventors: TAKAYUKI UCHIDA, YOSUKE YAMASHITA, SHINTARO TAKAYAMA, KAZUAKI IIDA, MASAHARU YAMASHITA, KAZUMA HASEGAWA, YUJI FUJITA, KENICHI ABE, YUUTA KAJISAWA, YUGO NAGASHIMA
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Publication number: 20230202837Abstract: In an apparatus producing hydrogen gas by a decomposition reaction of water using a photocatalyst, the water is warmed with waste heat of a light source for improving the production efficiency of hydrogen gas. The hydrogen gas producing apparatus 1 comprises a container portion receiving water; a photocatalyst body, dispersed or placed in the water, having a photocatalyst material to generate excited electrons and electron holes by irradiation of light, causing the decomposition reaction of water which decomposes water into hydrogen and oxygen to generate hydrogen gas; a light source emitting the light to be irradiated to the photocatalyst body; and a housing carrying the light source; wherein the housing is placed in the water, which is warmed by the waste heat of the light source discharged from the housing surface which is coated with a photocatalyst material.Type: ApplicationFiled: November 17, 2022Publication date: June 29, 2023Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, TOYODA GOSEI CO., LTD.Inventors: Taizo MASUDA, Ryota TOMIZAWA, Kenichi OKUMURA, Tatsuya HASEGAWA
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Patent number: 11585377Abstract: A holder has a protrusion which protrudes from a side surface at a side opposite in an axial direction with respect to a rolling element held in a pocket toward the side opposite in the axial direction. An oil supply hole which penetrates through the holder from the side surface to a surface at a side of the rolling element in the axial direction is formed in the holder. When the holder rotates, the protrusion guides oil into the oil supply hole, and the oil is introduced from the side surface of the holder to the surface on the side of the rolling element.Type: GrantFiled: March 1, 2022Date of Patent: February 21, 2023Assignees: KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO, JTEKT CORPORATIONInventors: Mamoru Tohyama, Yasuhiro Ohmiya, Norikazu Sato, Michiru Hirose, Takaaki Onizuka, Yoshio Tateishi, Kenichi Hasegawa, Takuya Toda, Komatsugu Nishimura, Yuya Yamamoto
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Publication number: 20220333645Abstract: A holder has a protrusion which protrudes from a side surface at a side opposite in an axial direction with respect to a rolling element held in a pocket toward the side opposite in the axial direction. An oil supply hole which penetrates through the holder from the side surface to a surface at a side of the rolling element in the axial direction is formed in the holder. When the holder rotates, the protrusion guides oil into the oil supply hole, and the oil is introduced from the side surface of the holder to the surface on the side of the rolling element.Type: ApplicationFiled: March 1, 2022Publication date: October 20, 2022Applicants: KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO, JTEKT CORPORATIONInventors: Mamoru Tohyama, Yasuhiro Ohmiya, Norikazu Sato, Michiru Hirose, Takaaki Onizuka, Yoshio Tateishi, Kenichi Hasegawa, Takuya Toda, Komatsugu Nishimura, Yuya Yamamoto
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Patent number: 11183949Abstract: A power conversion device includes a semiconductor stack, a reactor, and a capacitor. The semiconductor stack includes a plurality of semiconductor modules stacked on one another in a stacking direction. Each semiconductor module includes a semiconductor element. The reactor constitutes a boost circuit that boosts a direct-current voltage. The capacitor is electrically connected to the plurality of semiconductor modules. The semiconductor stack, the reactor, and the capacitor each include a coolant flow passage, and the reactor and the capacitor are located adjacent to each other.Type: GrantFiled: March 2, 2020Date of Patent: November 23, 2021Assignee: DENSO CORPORATIONInventors: Hiromi Ichijo, Kazuya Takeuchi, Kenichi Hasegawa
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Patent number: 11054773Abstract: A heater includes a base layer, a heat generator mounted on the base layer, and a slide layer mounted on the base layer. A sliding face of a counterpart slides over the slide layer. The slide layer is made of a material containing fluorine and includes a slide face that contacts the sliding face of the counterpart. The slide face of the slide layer has a surface roughness that is greater than a surface roughness of the sliding face of the counterpart.Type: GrantFiled: February 7, 2020Date of Patent: July 6, 2021Assignee: Ricoh Company, Ltd.Inventors: Yuusuke Furuichi, Kenji Ishii, Kenichi Hasegawa, Takashi Fujita, Tomoya Adachi, Yukimichi Someya, Daisuke Inoue, Masahiro Samei, Takayuki Seki
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Patent number: 10795289Abstract: A fixing device includes a stationary member, a roller, an endless belt, a pressure rotator, and a lubricant applicator. The endless belt is stretched over the stationary member and the roller. The pressure rotator is disposed opposite the stationary member via the endless belt to form a fixing nip between the pressure rotator and the endless belt on the stationary member. The lubricant applicator contacts the roller over an entire length of the roller in an axial direction of the roller. The lubricant applicator contacts an inner surface of the endless belt and has an axial length equal to or greater than an axial length of the stationary member.Type: GrantFiled: August 23, 2019Date of Patent: October 6, 2020Assignee: Ricoh Company, Ltd.Inventors: Kenichi Hasegawa, Kenji Ishii
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Publication number: 20200292973Abstract: A heater includes a base layer, a heat generator mounted on the base layer, and a slide layer mounted on the base layer. A sliding face of a counterpart slides over the slide layer. The slide layer is made of a material containing fluorine and includes a slide face that contacts the sliding face of the counterpart. The slide face of the slide layer has a surface roughness that is greater than a surface roughness of the sliding face of the counterpart.Type: ApplicationFiled: February 7, 2020Publication date: September 17, 2020Inventors: Yuusuke Furuichi, Kenji Ishii, Kenichi Hasegawa, Takashi Fujita, Tomoya Adachi, Yukimichi Someya, Daisuke Inoue, Masahiro Samei, Takayuki Seki
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Publication number: 20200204085Abstract: A power conversion device includes a semiconductor stack, a reactor, and a capacitor. The semiconductor stack includes a plurality of semiconductor modules stacked on one another in a stacking direction. Each semiconductor module includes a semiconductor element. The reactor constitutes a boost circuit that boosts a direct-current voltage. The capacitor is electrically connected to the plurality of semiconductor modules. The semiconductor stack, the reactor, and the capacitor each include a coolant flow passage, and the reactor and the capacitor are located adjacent to each other.Type: ApplicationFiled: March 2, 2020Publication date: June 25, 2020Applicant: DENSO CORPORATIONInventors: Hiromi Ichijo, Kazuya Takeuchi, Kenichi Hasegawa
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Publication number: 20200089147Abstract: A fixing device includes a stationary member, a roller, an endless belt, a pressure rotator, and a lubricant applicator. The endless belt is stretched over the stationary member and the roller. The pressure rotator is disposed opposite the stationary member via the endless belt to form a fixing nip between the pressure rotator and the endless belt on the stationary member. The lubricant applicator contacts the roller over an entire length of the roller in an axial direction of the roller. The lubricant applicator contacts an inner surface of the endless belt and has an axial length equal to or greater than an axial length of the stationary member.Type: ApplicationFiled: August 23, 2019Publication date: March 19, 2020Applicant: Ricoh Company, Ltd.Inventors: Kenichi Hasegawa, Kenji Ishii
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Patent number: 10114322Abstract: A fixing device includes a fixing belt that is rotatable and a pressure rotator that is pressed against the fixing belt to form a fixing nip therebetween. A polishing roller separably contacts the fixing belt and slides over an outer circumferential surface of the fixing belt while the polishing roller is pressed against the fixing belt. At least one support supports and stretches the fixing belt. A polishing aid, which is disposed opposite the polishing roller via the fixing belt, supports and stretches the fixing belt. The polishing roller is disposed opposite the polishing aid via the fixing belt to form a polishing nip between the polishing roller and the fixing belt while the polishing roller is pressed against the fixing belt. The polishing roller changes a rotation locus of the fixing belt along at least a part of a circumferential face of the polishing roller.Type: GrantFiled: July 24, 2017Date of Patent: October 30, 2018Assignee: Ricoh Company, Ltd.Inventors: Kenichi Hasegawa, Takashi Fujita, Hiroyuki Shimada, Kaori Hemmi
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Patent number: 10054885Abstract: A pressure and pressure relief device includes a rotator, a pressure body, a first pressure lever, and a biasing mechanism. The biasing mechanism includes a first elastic body, a second pressure lever, a cam, and a cam follower. A relations of L1>L3, L2>L4, and L3<L4 are satisfied. L1 represents a length between a first fulcrum of the first pressure lever and a point of load of the first pressure lever. L2 represents a length between the point of load of the first pressure lever and a hook portion of the first pressure lever. L3 represents a length between a pivot of the second pressure lever and a second fulcrum of the second pressure lever. L4 represents a length between the second fulcrum of the second pressure lever and a fastened portion of the second pressure lever.Type: GrantFiled: May 24, 2017Date of Patent: August 21, 2018Assignee: Ricoh Company, Ltd.Inventors: Jun Okamoto, Yoshio Hattori, Yuusuke Furuichi, Haruyuki Honda, Kiwako Hiroi, Kenichi Hasegawa
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Publication number: 20180059598Abstract: A fixing device includes a fixing belt that is rotatable and a pressure rotator that is pressed against the fixing belt to form a fixing nip therebetween. A polishing roller separably contacts the fixing belt and slides over an outer circumferential surface of the fixing belt while the polishing roller is pressed against the fixing belt. At least one support supports and stretches the fixing belt. A polishing aid, which is disposed opposite the polishing roller via the fixing belt, supports and stretches the fixing belt. The polishing roller is disposed opposite the polishing aid via the fixing belt to form a polishing nip between the polishing roller and the fixing belt while the polishing roller is pressed against the fixing belt. The polishing roller changes a rotation locus of the fixing belt along at least a part of a circumferential face of the polishing roller.Type: ApplicationFiled: July 24, 2017Publication date: March 1, 2018Inventors: Kenichi HASEGAWA, Takashi FUJITA, Hiroyuki SHIMADA, Kaori HEMMI
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Publication number: 20170343942Abstract: A pressure and pressure relief device includes a rotator, a pressure body, a first pressure lever, and a biasing mechanism. The biasing mechanism includes a first elastic body, a second pressure lever, a cam, and a cam follower. A relations of L1>L3, L2>L4, and L3<L4 are satisfied. L1 represents a length between a first fulcrum of the first pressure lever and a point of load of the first pressure lever. L2 represents a length between the point of load of the first pressure lever and a hook portion of the first pressure lever. L3 represents a length between a pivot of the second pressure lever and a second fulcrum of the second pressure lever. L4 represents a length between the second fulcrum of the second pressure lever and a fastened portion of the second pressure lever.Type: ApplicationFiled: May 24, 2017Publication date: November 30, 2017Applicant: Ricoh Company, Ltd.Inventors: Jun Okamoto, Yoshio Hattori, Yuusuke Furuichi, Haruyuki Honda, Kiwako Hiroi, Kenichi Hasegawa
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Patent number: 9715201Abstract: A fixing device includes a fixing rotator rotatable in a predetermined direction of rotation and a pressure rotator to press against the fixing rotator to form a fixing nip therebetween, through which a recording medium bearing a toner image is conveyed. A rotation load applicator is coupled to one of the fixing rotator and the pressure rotator to apply a rotation load to the one of the fixing rotator and the pressure rotator. The rotation load is in a range of from 0.1 Nm to 0.6 Nm.Type: GrantFiled: June 14, 2016Date of Patent: July 25, 2017Assignee: Ricoh Company, Ltd.Inventors: Takamasa Hase, Takashi Fujita, Seiji Saitoh, Kenji Ishii, Akiyasu Amita, Kenichi Hasegawa, Takashi Seto, Tetsuo Tokuda, Hiroshi Seo, Hironori Yamaoka