Patents by Inventor Masato Sakai
Masato Sakai 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: 20240322520Abstract: A semiconductor laser apparatus includes a drive circuit and an edge emitting semiconductor laser device. An envelope of a spectrum of light emitted from one light emitter when laser oscillation is performed by pulse driving is formed by synthesizing spectra of a plurality of peaks, and a full width at half maximum of the envelope is 3 nm or more.Type: ApplicationFiled: March 22, 2024Publication date: September 26, 2024Applicant: Ushio Denki Kabushiki KaishaInventors: Shigeta SAKAI, Yutaka INOUE, Masato HAGIMOTO
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Patent number: 12037833Abstract: A slide door driving device includes a support plate that is an elongated plate member, two driven pulleys supported respectively by opposite ends of the support plate in a longitudinal direction of the support plate; a belt wound around the two driven pulleys; a connector by which the belt is connected to the slide door; and a driving portion supported by the support plate and configured to drive the belt.Type: GrantFiled: March 31, 2022Date of Patent: July 16, 2024Assignees: AISIN CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA, TOYOTA SHATAI KABUSHIKI KAISHAInventors: Satoshi Shibayama, Masato Mori, Shunsuke Kanagai, Hideaki Kanasugi, Nobuo Hayama, Yusuke Kato, Nobuaki Sakai
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Patent number: 10940518Abstract: A manufacturing method of a press-formed article includes: forming a specified shape in a plate-like member made of metal; forming a convex portion in a portion that does not undergo deformation by the forming of the specified shape in the plate-like member; and flattening the convex portion.Type: GrantFiled: May 28, 2018Date of Patent: March 9, 2021Assignee: FUTABA INDUSTRIAL CO., LTD.Inventors: Yasuhiro Hayashi, Masatoshi Miwa, Koichi Kume, Masato Sakai
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Publication number: 20180345348Abstract: A manufacturing method of a press-formed article includes: forming a specified shape in a plate-like member made of metal; forming a convex portion in a portion that does not undergo deformation by the forming of the specified shape in the plate-like member; and flattening the convex portion.Type: ApplicationFiled: May 28, 2018Publication date: December 6, 2018Applicant: FUTABA INDUSTRIAL CO., LTD.Inventors: Yasuhiro Hayashi, Masatoshi Miwa, Koichi Kume, Masato Sakai
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Patent number: 10082752Abstract: A fixation device according to one of embodiments includes a first and second fixation units. The first fixation unit includes: a first belt; a first pad with a first elastic layer; and a first roller provided downstream of the first pad in a conveyance direction of a medium. The second fixation unit includes: a second belt; a second pad including a second elastic layer and pressed against the first pad with the first and second belts interposed in between; and a second roller provided downstream of the second pad in the conveyance direction and pressed against the first roller with the first second belts interposed in between. A thickness of at least one of the first and second elastic layers is smaller on a downstream side in the conveyance direction than on an upstream side in the conveyance direction.Type: GrantFiled: May 18, 2017Date of Patent: September 25, 2018Assignee: Oki Data CorporationInventors: Masato Sakai, Yoshitaka Yanai, Takeshi Kojima
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Patent number: 10060654Abstract: Heat pump type heating apparatus capable of performing a continuous dual-stage operation without stopping a high stage side compressor even when a return temperature of a heating medium reaches a prescribed high temperature and, thereby, improving a sense of being insufficiently warmed due to stoppage of the high stage side compressor or a sense of being insufficiently warmed due to execution of frequent defrosting operations. The heat pump type heating apparatus includes an internal heat exchanger (a second internal heat exchanger) that performs heat exchange between a low-temperature refrigerant on a low-pressure side of a low stage side refrigeration circuit and a high-temperature refrigerant on a high-pressure side of a high stage side refrigerant circuit, a bypass pipe bypassing the internal heat exchanger, and flow path control means that controls a refrigerant flow to each of the internal heat exchanger and the bypass pipe.Type: GrantFiled: July 2, 2015Date of Patent: August 28, 2018Assignee: SANDEN HOLDINGS CORPORATIONInventors: Yasunori Takayama, Hiroshi Ishida, Masato Sakai, Yoichi Negishi
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Patent number: 9967920Abstract: This invention provides an electrical apparatus that includes a main body portion, a battery pack, and a frame portion. The main body portion comprises a converting portion that may convert electric power to one of light, wind, heat, and sound; and an outputting portion. The battery pack may detachably mounted on a battery holder provided at the main body portion, and may supply electric power to the converting portion. The frame portion may rotatably support the main body portion, and may define a first ground contact plane that can contact a ground surface and a second ground contact plane that can contact the ground surface at a different angle from an angle of the first ground contact plane. The main body portion may be rotatable relative to the frame portion without contacting the ground surface.Type: GrantFiled: April 16, 2014Date of Patent: May 8, 2018Assignee: Hitachi Koki Co., Ltd.Inventors: Takafumi Itoh, Masato Sakai, Yoshinori Ishizawa, Masanori Okada, Hiroyuki Hasegawa, Takashi Kawamata
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Publication number: 20170371282Abstract: A fixation device according to one of embodiments includes a first and second fixation units. The first fixation unit includes: a first belt; a first pad with a first elastic layer; and a first roller provided downstream of the first pad in a conveyance direction of a medium. The second fixation unit includes: a second belt; a second pad including a second elastic layer and pressed against the first pad with the first and second belts interposed in between; and a second roller provided downstream of the second pad in the conveyance direction and pressed against the first roller with the first second belts interposed in between. A thickness of at least one of the first and second elastic layers is smaller on a downstream side in the conveyance direction than on an upstream side in the conveyance direction.Type: ApplicationFiled: May 18, 2017Publication date: December 28, 2017Applicant: Oki Data CorporationInventors: Masato SAKAI, Yoshitaka YANAI, Takeshi KOJIMA
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Patent number: 9696669Abstract: A fuser device is provided with a first endless belt, a heat application member that is enclosed by the first endless belt and heats the first endless belt, a fuser member enclosed by the first endless belt, a second endless belt of which rigidity is higher than that of the first endless belt, a pressure application member that is enclosed by the second endless belt and applies a pressure to developers on a carried recording medium in the contact part with the fuser member, and a support part forming part that forms a support part of the first endless belt and the second endless belt.Type: GrantFiled: March 18, 2016Date of Patent: July 4, 2017Assignee: Oki Data CorporationInventors: Tetsuya Uehashi, Masato Sakai
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Patent number: 9693470Abstract: An electric device includes: a device body; and a frame guard. The device body has a plurality of surfaces for defining a three-dimensional configuration. The frame guard is configured to guard the device body. The frame guard is connected to the device body and disposed outside the device body. The plurality of surfaces is all disposed inside the frame guard.Type: GrantFiled: June 3, 2014Date of Patent: June 27, 2017Assignee: Hitachi Koki Co., Ltd.Inventors: Takafumi Itoh, Masanori Okada, Rui Akiba, Masato Sakai
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Patent number: 9505120Abstract: A power tool includes a housing including: a body part having a substantially cylindrical shape and extends in a front-rear direction; and a handle part connected to the body part. The body part includes: a driving source; a power transmission mechanism part configured to transmit a driving force of the driving source; and a tip tool holding part to which the driving force of the driving source is transmitted from the power transmission mechanism part. The handle part includes a switch. A top part protruding from a surface of the handle part is formed on a side surface of the handle part along a longitudinal direction of the handle part. At least a portion of the top part is arranged at a position deviating rearwards from a center of the handle part in the front-rear direction.Type: GrantFiled: December 12, 2013Date of Patent: November 29, 2016Assignee: Hitachi Koki Co., Ltd.Inventors: Yoshiki Aoki, Masato Sakai, Masanori Okada
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Publication number: 20160320730Abstract: A fuser device is provided with a first endless belt, a heat application member that is enclosed by the first endless belt and heats the first endless belt, a fuser member enclosed by the first endless belt, a second endless belt of which rigidity is higher than that of the first endless belt, a pressure application member that is enclosed by the second endless belt and applies a pressure to developers on a carried recording medium in the contact part with the fuser member, and a support part forming part that forms a support part of the first endless belt and the second endless belt.Type: ApplicationFiled: March 18, 2016Publication date: November 3, 2016Inventors: Tetsuya UEHASHI, Masato Sakai
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Patent number: 9340900Abstract: A method of producing an epitaxial wafer, comprising: performing epitaxial growth of silicon on a main surface of a wafer made of a silicon single crystal; performing surface flattening pretreatment of a main surface of the wafer using a treatment liquid of a predetermined composition at a temperature of 100° C. or less, thereby forming an oxide film of a predetermined thickness while removing particles adhered on the main surface of the wafer; and performing a surface polishing step where the main surface of the wafer is mirror polished.Type: GrantFiled: September 5, 2007Date of Patent: May 17, 2016Assignee: Sumco CorporationInventors: Shinji Nakahara, Masato Sakai, Takayuki Dohi
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Patent number: 9158245Abstract: A medium transporting apparatus includes a first transporting section and first guide. The first transporting section transports a medium. The first guide guides the medium transported by the transporting section, and is disposed downstream of the first transporting section with respect to a first direction in which the medium is transported. The first guide includes a first guide portion and a second guide portion. The first guide portion extends in the first direction. The second guide portion extends in a second direction substantially perpendicular to the first direction.Type: GrantFiled: December 20, 2012Date of Patent: October 13, 2015Assignee: OKI DATA CORPORATIONInventors: Masato Sakai, Teruaki Kuroda, Keita Ishimori
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Patent number: 9128433Abstract: A fixation device includes a pressing member, a drive roller, an auxiliary roller, and an endless fixation belt rotatably mounted, in a loop shape, on the drive roller and the auxiliary roller. The endless fixation belt is in pressure contact with the outer peripheral surface of the pressing member, thereby forming a nip between the fixation belt and the pressing member. The drive roller is configured to drive the fixation belt to rotate in the looped shape and thereby cause the auxiliary roller to rotate due to the frictional force from an inner peripheral surface of the rotating fixation belt. A friction coefficient of a contact surface of the auxiliary roller with the fixation belt is smaller than a friction coefficient of a contact surface of the drive roller with the fixation belt.Type: GrantFiled: May 28, 2014Date of Patent: September 8, 2015Assignee: Oki Data CorporationInventor: Masato Sakai
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Patent number: D735006Type: GrantFiled: February 21, 2014Date of Patent: July 28, 2015Assignee: Hitachi Koki Co., Ltd.Inventors: Yoshiki Aoki, Masato Sakai, Rui Akiba, Hiroki Uchida, Masanori Okada, Yoshihiro Komuro
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Patent number: D744139Type: GrantFiled: September 5, 2013Date of Patent: November 24, 2015Assignee: Hitachi Koki Co., Ltd.Inventors: Takafumi Itoh, Masato Sakai, Masanori Okada
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Patent number: D792708Type: GrantFiled: July 30, 2015Date of Patent: July 25, 2017Assignee: Hitachi Koki Co., Ltd.Inventors: Yuko Tazawa, Masato Sakai, Kenichi Yamada, Shuji Takeda
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Patent number: D800526Type: GrantFiled: May 24, 2016Date of Patent: October 24, 2017Assignee: Hitachi Koki Co., Ltd.Inventors: Yoshiki Aoki, Masato Sakai
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Patent number: D801145Type: GrantFiled: May 24, 2016Date of Patent: October 31, 2017Assignee: Hitachi Koki Co., Ltd.Inventors: Yoshiki Aoki, Masato Sakai