Patents by Inventor Yohei Sakai
Yohei 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: 20250108987Abstract: An opening/closing member holding device includes a body part, a cover configured to be set to an attached state of covering at least a part of the body part when a fastening part is fastened to the body part, the cover being detachable from the body part when the fastening part is detached, an opening/closing member configured to be switchable to a closed state of covering the fastening part fastened to the body part, and a first open state of exposing the fastening part fastened to the body part, and a holding member configured to be attachable to and detachable from the body part. The holding member is configured to hold the opening/closing member with the opening/closing member in a second open state where the opening/closing member is further opened than in the first open state.Type: ApplicationFiled: October 2, 2024Publication date: April 3, 2025Inventors: Takehiro SHIN, Yohei SAKAI, Soichiro KII
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Publication number: 20250059814Abstract: A medium transport device includes a device main bod, a door section configured to open and close with respect to the device main body around a pivot shaft, and a door holding section configured to hold a state in which the door section is opened at a predetermined angle or more with respect to the device main body. The door section is configured to form at least a part of the transport path. The door holding section includes a spring provided on the door section or the device main body and an engagement section is provided on the other. The spring includes a section which is positioned between a fixed end and a free end, and the section applies a spring force to the engagement section to hold the door section in a state of being opened at the predetermined angle or more.Type: ApplicationFiled: August 13, 2024Publication date: February 20, 2025Inventors: Yusuke HIGUCHI, Yohei SAKAI, Kazutoshi MATSUZAKI
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Publication number: 20240326493Abstract: An electronic apparatus includes: an apparatus body; a door configured to be displaced to an opened state in which the door is opened relative to the apparatus body and a closed state in which the door is closed relative to the apparatus body; a cable provided between the apparatus body and the door; and a cable protecting unit configured to protect the cable. The cable protecting unit includes: a base-portion member; and a movable member provided slidably relative to the base-portion member. When the door is displaced from the closed state to the opened state, the movable member slides relative to the base-portion member to increase a length by which the movable member extends from the base-portion member.Type: ApplicationFiled: March 25, 2024Publication date: October 3, 2024Inventors: Yusuke HIGUCHI, Yohei SAKAI
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Publication number: 20240317518Abstract: A medium transport device 7 includes a separation roller unit 51 and a unit accommodation section 71 in which the separation roller unit 51 is detachably and attachably provided, wherein the separation roller unit 51 includes a separation roller 54 that is configured to contact a feed roller 52 for feeding a medium 3 and is provided rotatably around a shaft 56 and a roller holder 53 that is configured to hold the separation roller 54 and that has a guide section 55 for guiding the medium 3 toward the feed roller 52 the unit accommodation section 71 is provided with an adjustment section 72 for adjusting the position of the guide section 55 in a direction that intersects the axial direction of the shaft 56.Type: ApplicationFiled: March 20, 2024Publication date: September 26, 2024Inventors: Kazutoshi MATSUZAKI, Yohei SAKAI, Yusuke HIGUCHI, Kentaro NAKAMURA, Makoto ISHIGURO
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Patent number: 12041330Abstract: An optical module for endoscope includes a light emitting element, an optical fiber, a ferrule to which the light emitting element is bonded, a wiring board to which the ferrule is bonded, and a resin disposed between the ferrule and the wiring board, wherein the ferrule has a first principal surface made of a transparent material, a second principal surface, and a side surface, the second principal surface has an opening of an insertion hole, the second principal surface has an opening of a groove communicating with the insertion hole, the side surface has an opening of the groove, and a first distance between the opening of the groove on the side surface and the first principal surface is greater than a second distance between the bottom surface of the insertion hole and the first principal surface.Type: GrantFiled: November 23, 2022Date of Patent: July 16, 2024Assignee: OLYMPUS CORPORATIONInventors: Yusuke Nakagawa, Yohei Sakai
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Publication number: 20240208748Abstract: A placement tray 50, which is displaceable to a closed state and an open state with respect to a device main body 34, has a placement surface 51 on which a medium is placed, edge guides 531, 532 that restrict side edges of the medium to be placed, and a link member 551 that supports the placement tray in the open state. The edge guide has a movable section 571 that pivotably switches between a non-use posture in which it reclines along the placement surface and a use posture in which it is upright against the placement surface, and an operation section 611 that is fixed in posture against the placement surface and is operated. At least a part of the operation section is provided at a position that overlaps the movable section and does not overlap the link member as viewed from the width direction that intersects the transport direction F of the medium.Type: ApplicationFiled: December 26, 2023Publication date: June 27, 2024Inventors: Yohei SAKAI, Kazutoshi MATSUZAKI
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Patent number: 11644737Abstract: A projector includes: an exterior case having plurality of penetration holes; first base member fixed inside the exterior case and made of metal or crystalline resin; illumination unit fixed to first base member; image forming unit fixed to first base member; optical projection unit coupled to image forming unit; and second base member fixed inside exterior case and coupled to first base member, and having lower rigidity than first base member. First base member has plurality of first fixing parts which are arranged corresponding to position of part of plurality of penetration holes in exterior case and to which suspension fitting is fixed. Second base member has second fixing part which is arranged corresponding to position of penetration hole other than penetration holes having plurality of first fixing parts arranged therein, of plurality of penetration holes in exterior case, and to which suspension fitting is fixed.Type: GrantFiled: January 28, 2022Date of Patent: May 9, 2023Assignee: SEIKO EPSON CORPORATIONInventors: Kenji Sakamoto, Yohei Sakai
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Publication number: 20230083685Abstract: An optical module for endoscope includes a light emitting element, an optical fiber, a ferrule to which the light emitting element is bonded, a wiring board to which the ferrule is bonded, and a resin disposed between the ferrule and the wiring board, wherein the ferrule has a first principal surface made of a transparent material, a second principal surface, and a side surface, the second principal surface has an opening of an insertion hole, the second principal surface has an opening of a groove communicating with the insertion hole, the side surface has an opening of the groove, and a first distance between the opening of the groove on the side surface and the first principal surface is greater than a second distance between the bottom surface of the insertion hole and the first principal surface.Type: ApplicationFiled: November 23, 2022Publication date: March 16, 2023Applicant: OLYMPUS CORPORATIONInventors: Yusuke NAKAGAWA, Yohei SAKAI
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Publication number: 20220244626Abstract: A projector includes: an exterior case having plurality of penetration holes; first base member fixed inside the exterior case and made of metal or crystalline resin; illumination unit fixed to first base member; image forming unit fixed to first base member; optical projection unit coupled to image forming unit; and second base member fixed inside exterior case and coupled to first base member, and having lower rigidity than first base member. First base member has plurality of first fixing parts which are arranged corresponding to position of part of plurality of penetration holes in exterior case and to which suspension fitting is fixed. Second base member has second fixing part which is arranged corresponding to position of penetration hole other than penetration holes having plurality of first fixing parts arranged therein, of plurality of penetration holes in exterior case, and to which suspension fitting is fixed.Type: ApplicationFiled: January 28, 2022Publication date: August 4, 2022Applicant: SEIKO EPSON CORPORATIONInventors: Kenji SAKAMOTO, Yohei SAKAI
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Publication number: 20210349305Abstract: An image pickup apparatus for an endoscope includes: a light emitting element configured to emit an optical signal; an optical fiber configured to transmit the optical signal; metal cables configured to transmit an electric signal; a ferrule including an insertion hole into which the optical fiber is inserted; and a molded interconnect device to which core wires of the metal cables and the light emitting element are electrically connected, and which is integrally molded, the molded interconnect device including a recess in which the light emitting element and the ferrule are accommodated.Type: ApplicationFiled: July 20, 2021Publication date: November 11, 2021Applicant: OLYMPUS CORPORATIONInventors: Takahide MIYAWAKI, Hiroyuki MOTOHARA, Yohei SAKAI
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Patent number: 10408349Abstract: A seal ring includes, on a side of a sliding surface thereof, a groove part (120) having a first groove (121) extending in a circumferential direction thereof and a second groove (122) extending from a central position of the first groove (121) in the circumferential direction to an inner peripheral surface and guiding sealed fluid into the first groove (121), the first groove (121) having dynamic pressure generation grooves (121a) configured to have a groove bottom made shallower at an end thereof in the circumferential direction than at a center thereof in the circumferential direction, and a foreign matter catching groove (121b) that has a groove bottom deeper than the groove bottoms of the dynamic pressure generation grooves (121a) and is capable of catching foreign matter, and the first groove (121) being provided at a position that falls within a sliding region in which the seal ring slides on the lateral wall surface.Type: GrantFiled: March 11, 2016Date of Patent: September 10, 2019Assignee: NOK CORPORATIONInventors: Maiko Miyazaki, Yohei Sakai, Kenichi Yoshimura, Shota Toma
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Patent number: 10262244Abstract: The purpose of the present invention is to improve evaluation accuracy of a photographed image when an event occurs.Type: GrantFiled: September 20, 2016Date of Patent: April 16, 2019Assignee: PS SOLUTIONS CORP.Inventors: Norio Yamaguchi, Yohei Sakai, Takashi Togami, Kyosuke Yamamoto, Yasutaka Kosugi
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Patent number: 10190689Abstract: A seal ring capable of stably reducing a rotational torque while preventing the leakage of sealed fluid. The seal ring includes: an abutment joint part (110) provided at one portion in a circumferential direction thereof; a plurality of dynamic pressure generation grooves (120) provided at intervals in the circumferential direction on a side of a sliding surface thereof sliding on a lateral wall surface of an annular groove; and foreign matter discharging grooves (130) that are provided between a region in which the plurality of dynamic pressure generation grooves (120) is arranged and the abutment joint part (110) in the circumferential direction on the side of the sliding surface sliding on the lateral wall surface, and that are capable of catching foreign matter intruding from the abutment joint part (110) and discharging the caught foreign matter to an outside of a sliding part between the seal ring and the lateral wall surface.Type: GrantFiled: March 10, 2016Date of Patent: January 29, 2019Assignee: NOK CORPORATIONInventors: Yusuke Yoshida, Fangman Xu, Nozomu Suzuki, Norimasa Hosonuma, Shigenobu Honda, Kenichi Yoshimura, Yohei Sakai, Shota Toma
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Publication number: 20180276504Abstract: The purpose of the present invention is to improve evaluation accuracy of a photographed image when an event occurs.Type: ApplicationFiled: September 20, 2016Publication date: September 27, 2018Applicant: PS Solutions Corp.Inventors: Norio YAMAGUCHI, Yohei SAKAI, Takashi TOGAMI, Kyosuke YAMAMOTO, Yasutaka KOSUGI
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Publication number: 20180058584Abstract: A seal ring includes, on a side of a sliding surface thereof, a groove part (120) having a first groove (121) extending in a circumferential direction thereof and a second groove (122) extending from a central position of the first groove (121) in the circumferential direction to an inner peripheral surface and guiding sealed fluid into the first groove (121), the first groove (121) having dynamic pressure generation grooves (121a) configured to have a groove bottom made shallower at an end thereof in the circumferential direction than at a center thereof in the circumferential direction, and a foreign matter catching groove (121b) that has a groove bottom deeper than the groove bottoms of the dynamic pressure generation grooves (121a) and is capable of catching foreign matter, and the first groove (121) being provided at a position that falls within a sliding region in which the seal ring slides on the lateral wall surface.Type: ApplicationFiled: March 11, 2016Publication date: March 1, 2018Inventors: Maiko MIYAZAKI, Yohei SAKAI, Kenichi YOSHIMURA, Shota TOMA
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Publication number: 20180051809Abstract: A seal ring capable of stably reducing a rotational torque while preventing the leakage of sealed fluid. The seal ring includes: an abutment joint part (110) provided at one portion in a circumferential direction thereof; a plurality of dynamic pressure generation grooves (120) provided at intervals in the circumferential direction on a side of a sliding surface thereof sliding on a lateral wall surface of an annular groove; and foreign matter discharging grooves (130) that are provided between a region in which the plurality of dynamic pressure generation grooves (120) is arranged and the abutment joint part (110) in the circumferential direction on the side of the sliding surface sliding on the lateral wall surface, and that are capable of catching foreign matter intruding from the abutment joint part (110) and discharging the caught foreign matter to an outside of a sliding part between the seal ring and the lateral wall surface.Type: ApplicationFiled: March 10, 2016Publication date: February 22, 2018Inventors: Yusuke YOSHIDA, Fangman XU, Nozomu SUZUKI, Norimasa HOSONUMA, Shigenobu HONDA, Kenichi YOSHIMURA, Yohei SAKAI, Shota TOMA
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Patent number: 9894911Abstract: The present invention relates to a method for manufacturing a modified whey composition, the method having a liquid preparation step of preparing a raw material whey liquid using a whey composition containing whey protein, and a heating step of subjecting the raw material whey liquid to a heat treatment, wherein the liquid preparation step includes a treatment of adding an alkali to the whey composition, the pH of the raw material whey liquid is from 6.8 to 8.0 and the protein concentration in the liquid is not more than 1.3% by mass, the calcium content of the raw material whey liquid that is subjected to the heat treatment is from 400 to 700 mg/100 g of solids, and the heat treatment is performed under conditions of 80 to 150° C. for a period of 30 minutes to 1 second.Type: GrantFiled: June 14, 2013Date of Patent: February 20, 2018Assignee: Morinaga Milk Industry Co., Ltd.Inventors: Mirei Odaka, Tomoya Murakami, Yohei Sakai, Kiyotaka Miyauchi, Hiroshi Koishihara
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Patent number: 9575398Abstract: A projector includes a projection optical apparatus that projects an image and a projection position adjustment apparatus that moves the projection optical apparatus in orthogonal directions orthogonal to a central axis of the projection optical apparatus. The projection position adjustment apparatus includes a first movable member that supports the projection optical apparatus, a support member that supports the first movable member movably in the orthogonal directions, and a first transmission unit that moves in the orthogonal directions with the first transmission unit engaging with the first movable member to move the first movable member in the orthogonal directions. The first transmission unit is disposed in a position where the first transmission unit overlaps with part of the first movable member when the projection position adjustment apparatus is viewed along the central axis of the projection optical apparatus.Type: GrantFiled: March 17, 2015Date of Patent: February 21, 2017Assignee: Seiko Epson CorporationInventor: Yohei Sakai
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Publication number: 20160132136Abstract: A digital pen includes: a light emitting section; a writing section which has a tip part and transmits light emitted from the light emitting section; and a main body section which supports the writing section in a displaceable manner, detects a pressing on the writing section and causes the light emitting section to emit light. The writing section includes a support member supported by the main body section, and an elastic member which has the tip part and is held by the support member.Type: ApplicationFiled: October 14, 2015Publication date: May 12, 2016Inventors: Nobuyuki Otsuki, Daigo Yamano, Tsuyoshi Arai, Yohei Sakai, Sei Nakanishi
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Patent number: 9213224Abstract: A projector includes an optical element and a cooling device configured to supply cooling air along the surface of the optical element. The cooling device supplies the cooling air in two supply directions crossing each other and extending from one edge to the other edge of two opposed edges of the optical element.Type: GrantFiled: July 27, 2011Date of Patent: December 15, 2015Assignee: Seiko Epson CorporationInventors: Norikazu Kadotani, Yohei Sakai