Patents by Inventor Kazuhiro Sakai
Kazuhiro 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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Patent number: 11433692Abstract: A detection sensor includes: a single light-emitting element that radiates light onto a conveyed material; and multiple light-receiving elements that receive interference light including the light that is scattered at a surface of the conveyed material and the light that is scattered inside the conveyed material.Type: GrantFiled: April 1, 2020Date of Patent: September 6, 2022Assignee: FUJIFILM Business Innovation Corp.Inventors: Akira Mihara, Kazuhiro Sakai, Masaya Kumei
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Light-emitting device, optical apparatus, optical measurement apparatus, and image forming apparatus
Patent number: 11303097Abstract: A light-emitting device includes a light-emitting unit. The light-emitting unit includes an array of multiple light-emitting element groups, each including multiple light-emitting elements. In the light-emitting unit, the multiple light-emitting element groups are sequentially driven along the array such that, for each of the multiple light-emitting element groups, the multiple light-emitting elements included in the light-emitting element group are concurrently set to a state of emitting light or a state of not emitting light.Type: GrantFiled: December 9, 2020Date of Patent: April 12, 2022Assignee: FUJIFILM Business Innovation Corp.Inventors: Takashi Kondo, Tsutomu Otsuka, Takeshi Minamiru, Kazuhiro Sakai -
Publication number: 20220077659Abstract: A light emitting device includes a wiring substrate, a light emitting element array that includes a first side surface and a second side surface facing each other, and a third side surface and a fourth side surface connecting the first side surface and the second side surface to each other and facing each other, the light emitting element array being provided on the wiring substrate, a driving element that is provided on the wiring substrate on the first side surface side and drives the light emitting element array, a first circuit element and a second circuit element that are provided on the wiring substrate on the second side surface side to be arranged in a direction along the second side surface, and a wiring member that is provided on the third side surface side and the fourth side surface side and extends from a top electrode of the light emitting element array toward an outside of the light emitting element array.Type: ApplicationFiled: November 16, 2021Publication date: March 10, 2022Applicant: FUJIFILM Business Innovation Corp.Inventors: Kazuhiro SAKAI, Daisuke IGUCHI, Takeshi MINAMIRU, Yoshinori SHIRAKAWA, Tomoaki SAKITA, Tsutomu OTSUKA
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Publication number: 20220032758Abstract: In a vehicle body structure configured to place a battery in a lower part of a cabin, the loading of a frontal crash and a rear end crash that may be applied to the battery is minimized. The vehicle body structure (1), comprises a pair of side sills (3) extending in a fore and aft direction on either side of a vehicle (2), a pair of front side frames (4) extending in the fore and aft direction along either side of a front part of the vehicle, and connected to front ends of the side sills at rear ends thereof, respectively, a pair of rear side frames (71) extending in the fore and aft direction along either side of a rear part of the vehicle, and connected to rear ends of the side sills at front ends thereof, respectively, a front subframe (6) attached to the front side frames, a rear subframe (72) attached to the rear side frames, and a battery (140) positioned in a region surrounded by the side sills, the front subframe and the rear subframe in plan view.Type: ApplicationFiled: September 27, 2018Publication date: February 3, 2022Inventors: Kanji KANEKO, Kazuhiro SAKAI, Takehiko KOSHIISHI, Satoru NOGUCHI
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Publication number: 20220003874Abstract: A light-emitting device includes: a first light source that oscillates in a single lateral mode; a second light source that oscillates in a multiple lateral mode, the second light source having a light output larger than a light output of the first light source and being configured to be driven independently from the first light source; and a light diffusion member that is provided on an emission path of the second light source.Type: ApplicationFiled: September 17, 2021Publication date: January 6, 2022Applicant: FUJIFILM BUSINESS INNOVATION CORP.Inventors: Takashi KONDO, Satoshi INADA, Takeshi MINAMIRU, Kazuhiro SAKAI, Yoshinori SHIRAKAWA
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Patent number: 11211774Abstract: A light emitting device includes a wiring substrate, a light emitting element array that includes a first side surface and a second side surface facing each other, and a third side surface and a fourth side surface connecting the first side surface and the second side surface to each other and facing each other, the light emitting element array being provided on the wiring substrate, a driving element that is provided on the wiring substrate on the first side surface side and drives the light emitting element array, a first circuit element and a second circuit element that are provided on the wiring substrate on the second side surface side to be arranged in a direction along the second side surface, and a wiring member that is provided on the third side surface side and the fourth side surface side and extends from a top electrode of the light emitting element array toward an outside of the light emitting element array.Type: GrantFiled: December 18, 2019Date of Patent: December 28, 2021Assignee: FUJIFILM Business Innovation Corp.Inventors: Kazuhiro Sakai, Daisuke Iguchi, Takeshi Minamiru, Yoshinori Shirakawa, Tomoaki Sakita, Tsutomu Otsuka
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Patent number: 11161549Abstract: A vehicle body rear structure includes: left and right rear side frames extending in a fore-and-aft direction in a rear part of a vehicle; a rear subframe attached to the rear side frames; left and right rear wheels supported by the rear subframe via respective suspensions; and a driving source mounted to the rear subframe. The driving source is arranged such that a center of gravity thereof is positioned more rearward than a rotation axis of the rear wheels. The rear subframe includes left and right rear subframe longitudinal members extending in the fore-and-aft direction and a rear subframe cross member extending laterally and joined to the rear subframe longitudinal members. The rear subframe cross member includes a protrusion that protrudes rearward at a laterally central part thereof. A rear end of the protrusion is positioned more rearward than a rear end of the driving source.Type: GrantFiled: September 12, 2019Date of Patent: November 2, 2021Assignee: HONDA MOTOR CO., LTD.Inventors: Kazuhiro Sakai, Kanji Kaneko, Takashi Yamada, Tadashi Hirakawa, Seiichi Kato
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Patent number: 11160473Abstract: A biological information measurement device includes a correction unit that receives a first signal expressing a change in an amount of light of a first wavelength detected from a living body and a second signal expressing a change in an amount of light of a second wavelength detected from the living body, and corrects at least one of the first signal and the second signal to reduce a difference between an amount of change in the first signal and an amount of change in the second signal associated with a change in an amount of arterial blood of the living body, and a computing unit that computes a change in a blood oxygen concentration in the living body on a basis of the first signal and the second signal of which at least one is corrected by the correction unit.Type: GrantFiled: February 26, 2019Date of Patent: November 2, 2021Assignee: FUJIFILM BUSINESS INNOVATION CORP.Inventors: Kazuhiro Sakai, Manabu Akamatsu, Tomoaki Kojima, Hideaki Ozawa, Hideyuki Umekawa
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Publication number: 20210325034Abstract: A light-emitting device includes a wiring substrate, a base member provided on the wiring substrate, a light-emitting element array that has a first side surface and a second side surface facing each other, that has a third side surface and a fourth side surface facing each other and connecting the first side surface and the second side surface, and that is provided on the base member, a drive unit that is provided on the wiring substrate at a side of the first side surface and drives the light-emitting element array, a first circuit element that is provided on the base member at the side of the first side surface, a second circuit element that is provided on the base member at a side of the second side surface and has a larger occupation area on the base member than the first circuit element, and wiring members that are provided at a side of the third side surface and at a side of the fourth side surface and extend from an upper surface electrode of the light-emitting element array toward an outer side of thType: ApplicationFiled: June 25, 2021Publication date: October 21, 2021Applicant: FUJIFILM BUSINESS INNOVATION CORP.Inventors: Kazuhiro SAKAI, Daisuke IGUCHI, Takeshi MINAMIRU, Yoshinori SHIRAKAWA, Tomoaki SAKITA, Tsutomu OTSUKA
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Publication number: 20210320479Abstract: A light-emitting element array chip includes: a first light-emitting element array that includes a first light-emitting element including a first substrate, a light-emitting element layer formed on the first substrate, and a first cathode electrode electrically connected to the light-emitting element layer; and a second light-emitting element array that includes a second light-emitting element including a second substrate, a non-p-type lower reflector formed on the second substrate, and a second cathode electrode electrically connected to the non-p-type lower reflector, in which the first light-emitting element array is provided on an emission surface side of the second light-emitting element array.Type: ApplicationFiled: June 23, 2021Publication date: October 14, 2021Applicant: FUJIFILM BUSINESS INNOVATION CORP.Inventors: Takashi KONDO, Satoshi INADA, Takeshi MINAMIRU, Daisuke IGUCHI, Kazuhiro SAKAI, Tomoaki SAKITA, Michiaki MURATA
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Publication number: 20210313762Abstract: A light-emitting device includes: a wiring substrate; a base member that is mounted on the wiring substrate; a light source that is mounted on the base member; a drive unit that is mounted on the wiring substrate and drives the light source; a wiring pattern that is on the wiring substrate, is connected to the light source and extends from a back surface side of the base member toward the drive unit; and a circuit element that is provided in a region on the base member between the light source and the drive unit, the region overlapping the wiring pattern in a plan view.Type: ApplicationFiled: June 21, 2021Publication date: October 7, 2021Applicant: FUJIFILM BUSINESS INNOVATION CORP.Inventors: Takeshi MINAMIRU, Kazuhiro SAKAI, Daisuke IGUCHI
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Publication number: 20210305774Abstract: A light-emitting device includes a laser element array having a quadrangular planar shape, a pair of capacitors that supply an electric current for light emission of the laser element array, and a driving unit that drives the laser element array by turning on and off the electric current for light emission of the laser element array. The pair of capacitors are disposed beside two sides of the laser element array that face each other so as to sandwich the laser element array, and the driving unit is disposed beside another side of the laser element array.Type: ApplicationFiled: December 2, 2020Publication date: September 30, 2021Applicant: FUJIFILM BUSINESS INNOVATION CORP.Inventors: Daisuke IGUCHI, Kazuhiro SAKAI, Takeshi MINAMIRU
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Publication number: 20210293966Abstract: A light emitting device includes: a substrate; a light emitting element array provided on the substrate, the light emitting element array having first and second side surfaces facing each other, and third and fourth side surfaces facing each other and connecting the first and second side surfaces; a driving element provided on the substrate at a side of the first side surface and driving the light emitting element array; a light receiving element provided on the substrate at a side of the second side surface and receiving light emitted from the light emitting element array; and a wiring member provided at a side of the third side surface and at a side of the fourth side surface and extending from an upper surface electrode of the light emitting element array toward an outside of the light emitting element array.Type: ApplicationFiled: June 8, 2021Publication date: September 23, 2021Applicant: FUJIFILM Business Innovation Corp.Inventors: Kazuhiro SAKAI, Daisuke IGUCHI, Yoshinori SHIRAKAWA, Tomoaki SAKITA, Michiaki MURATA
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Publication number: 20210265809Abstract: A light-emitting device includes a laser unit; and a first capacitive element and a second capacitive element that supply a driving electric current to the laser unit; wherein the first capacitive element has smaller equivalent series inductance than the second capacitive element, and the second capacitive element has a larger capacity and a smaller mount area than the first capacitive element.Type: ApplicationFiled: January 4, 2021Publication date: August 26, 2021Applicant: FUJIFILM Business Innovation Corp.Inventors: Daisuke IGUCHI, Kazuhiro SAKAI
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Publication number: 20210265815Abstract: A light emitting device includes a wiring board having a first wiring layer and a second wiring layer adjacent to the first wiring layer via an insulating layer, and a laser having a cathode electrode and an anode electrode, mounted on the wiring board, and driven through low-side driving. The first wiring layer includes a cathode wire connected to the cathode electrode, an anode wire connected to the anode electrode, and a first reference potential wire connected to a reference potential. The second wiring layer includes a second reference potential wire connected to the reference potential. An area of an overlap between the second reference potential wire and the anode wire is larger than an area of an overlap between the second reference potential wire and the first reference potential wire.Type: ApplicationFiled: December 3, 2020Publication date: August 26, 2021Applicant: FUJIFILM Business Innovation Corp.Inventors: Daisuke IGUCHI, Kazuhiro SAKAI
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Publication number: 20210265807Abstract: A light emitting device includes a wiring board having a first wiring layer and a second wiring layer adjacent to the first wiring layer via an insulating layer, a laser having a cathode electrode and an anode electrode, mounted on the wiring board, and driven through low-side driving, and a capacitive element mounted on the wiring board and configured to supply a drive current to the laser. The first wiring layer includes a cathode wire connected to the cathode electrode, and an anode wire connected to the anode electrode. The second wiring layer includes a reference potential wire connected to a reference potential. The reference potential wire overlaps the anode wire. The anode wire surrounds the capacitive element.Type: ApplicationFiled: December 4, 2020Publication date: August 26, 2021Applicant: FUJIFIlLM Business Innovation Corp.Inventors: Daisuke IGUCHI, Kazuhiro SAKAI
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Publication number: 20210265814Abstract: A light-emitting device includes a laser unit; and a first capacitive element and a second capacitive element that supply a driving electric current to the laser unit; wherein the first capacitive element has a smaller capacity and smaller equivalent series inductance than the second capacitive element, and a length of a first electric current path along which the driving electric current output from the first capacitive element returns to the first capacitive element is shorter than a length of a second electric current path along which the driving electric current output from the second capacitive element returns to the second capacitive element.Type: ApplicationFiled: December 1, 2020Publication date: August 26, 2021Applicant: FUJIFILM Business Innovation Corp.Inventors: Daisuke IGUCHI, Kazuhiro SAKAI
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Patent number: 11097679Abstract: A vehicle body rear structure includes: a pair of left and right rear side frames extending in a fore-and-aft direction in a rear part of a vehicle; a rear subframe attached to the rear side frames; and a pair of left and right shock-absorbing structures respectively provided at rear ends of the rear side frames and extending rearward. The rear subframe includes a pair of left and right rear subframe longitudinal members extending in the fore-and-aft direction and a rear subframe cross member extending laterally and joined to the left and right rear subframe longitudinal members. The rear subframe cross member includes a protrusion that protrudes rearward in a laterally central part thereof. A rear end of the protrusion is positioned more rearward than the rear ends of the rear side frames and more forward than rear ends of the shock-absorbing structures.Type: GrantFiled: September 12, 2019Date of Patent: August 24, 2021Assignee: HONDA MOTOR CO., LTD.Inventors: Kazuhiro Sakai, Tadashi Hirakawa, Takashi Yamada, Satoru Noguchi, Seiichi Kato, Kanji Kaneko
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Patent number: 11065990Abstract: A vehicle body structure of a four-wheeled vehicle includes a pair of side members (8) extending in a fore and aft direction along either side of the vehicle body, a plurality of cross members (41, 42, 43) extending laterally between the side members, and a floor panel (58) attached to an upper side of the cross members. One of the cross members (42) passes through an intersection point of diagonal lines of a rectangular formation of supporting points of the four wheels, and at least one of the seat mounts (72) is positioned on the one cross member.Type: GrantFiled: September 19, 2019Date of Patent: July 20, 2021Assignee: HONDA MOTOR CO., LTD.Inventors: Kazuhiro Sakai, Tadashi Sato, Kanji Kaneko
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Light-emitting device, optical apparatus, optical measurement apparatus, and image forming apparatus
Patent number: 11050217Abstract: A light-emitting device includes a light-emitting unit. The light-emitting unit includes an array of multiple light-emitting element groups, each including multiple light-emitting elements. In the light-emitting unit, the multiple light-emitting element groups are sequentially driven along the array such that, for each of the multiple light-emitting element groups, the multiple light-emitting elements included in the light-emitting element group are concurrently set to a state of emitting light or a state of not emitting light.Type: GrantFiled: August 21, 2019Date of Patent: June 29, 2021Assignee: FUJIFILM Business Innovation Corp.Inventors: Takashi Kondo, Tsutomu Otsuka, Takeshi Minamiru, Kazuhiro Sakai