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).

  • Patent number: 11050217
    Abstract: 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: Grant
    Filed: August 21, 2019
    Date of Patent: June 29, 2021
    Assignee: FUJIFILM Business Innovation Corp.
    Inventors: Takashi Kondo, Tsutomu Otsuka, Takeshi Minamiru, Kazuhiro Sakai
  • Publication number: 20210091535
    Abstract: 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: Application
    Filed: December 9, 2020
    Publication date: March 25, 2021
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Takashi KONDO, Tsutomu OTSUKA, Takeshi MINAMIRU, Kazuhiro SAKAI
  • Patent number: 10953921
    Abstract: A vehicle body front structure includes: a front subframe; left and right suspension lower arms swingably supported by the front subframe; and a steering gearbox supported by the front subframe. The front subframe includes left and right longitudinal members extending in a fore-and-aft direction, a cross member extending laterally and joined to the longitudinal members, and front and rear lower arm supports provided on each longitudinal member to be spaced from each other in the fore-and-aft direction and swingably supporting the corresponding lower arm. The steering gearbox includes a laterally extending rack shaft and a pair of joints provided at either end of the rack shaft and joined to ends of respective tie rods. The longitudinal members extend obliquely to approach each other toward rear, and the rear lower arm supports are positioned more laterally inward than the respective joints when the rack shaft is in a neutral position.
    Type: Grant
    Filed: September 24, 2019
    Date of Patent: March 23, 2021
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Kazuhiro Sakai, Kosuke Matsushita, Hiroshi Imanishi
  • Patent number: 10953922
    Abstract: A vehicle body front structure includes: a front subframe; left and right suspension lower arms swingably supported by the front subframe; and a steering gearbox supported by the front subframe. The front subframe includes left and right longitudinal members extending in a fore-and-aft direction, a cross member extending laterally and joined to the longitudinal members, and a front lower arm support and a rear lower arm support provided on each longitudinal member to be spaced from each other in the fore-and-aft direction and swingably supporting the corresponding lower arm. The steering gearbox includes a laterally extending rack shaft and a pair of joints provided at either end of the rack shaft and joined to ends of respective tie rods. The longitudinal members extend obliquely so as to approach each other toward rear, and each front lower arm support is positioned more rearward than the steering gearbox.
    Type: Grant
    Filed: September 24, 2019
    Date of Patent: March 23, 2021
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Kazuhiro Sakai, Kosuke Matsushita, Hiroshi Imanishi, Takehiko Koshiishi
  • Publication number: 20210039406
    Abstract: 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: Application
    Filed: April 1, 2020
    Publication date: February 11, 2021
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Akira MIHARA, Kazuhiro SAKAI, Masaya KUMEI
  • Publication number: 20200328576
    Abstract: 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: Application
    Filed: December 18, 2019
    Publication date: October 15, 2020
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Kazuhiro SAKAI, Daisuke IGUCHI, Takeshi MINAMIRU, Yoshinori SHIRAKAWA, Tomoaki SAKITA, Tsutomu OTSUKA
  • Publication number: 20200249320
    Abstract: Provided is a light emitting device including: a base material mounted on a wiring substrate; a light emitting element array provided on the base material; a first conductive pattern provided on the surface of the base material, the first conductive pattern including a first facing region connected to the light emitting element array, the first facing region being along a side surface of the light emitting element array and facing to the light emitting element array, and a first extending region extended beyond the first facing region; and penetrating members penetrating the base material from the first conductive pattern to a back surface side of the base material, each penetrating member being connected to the first facing region or the first extending region.
    Type: Application
    Filed: July 15, 2019
    Publication date: August 6, 2020
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Tomoaki SAKITA, Satoshi INADA, Takeshi MINAMIRU, Daisuke IGUCHI, Kazuhiro SAKAI, Yoshinori SHIRAKAWA
  • Publication number: 20200244039
    Abstract: 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: Application
    Filed: August 21, 2019
    Publication date: July 30, 2020
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Takashi KONDO, Tsutomu OTSUKA, Takeshi MINAMIRU, Kazuhiro SAKAI
  • Publication number: 20200101879
    Abstract: 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: Application
    Filed: September 19, 2019
    Publication date: April 2, 2020
    Inventors: Kazuhiro SAKAI, Tadashi SATO, Kanji KANEKO
  • Publication number: 20200102014
    Abstract: 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: Application
    Filed: September 12, 2019
    Publication date: April 2, 2020
    Inventors: Kazuhiro SAKAI, Kanji KANEKO, Takashi YAMADA, Tadashi HIRAKAWA, Seiichi KATO
  • Publication number: 20200101914
    Abstract: 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: Application
    Filed: September 12, 2019
    Publication date: April 2, 2020
    Inventors: Kazuhiro SAKAI, Tadashi HIRAKAWA, Takashi YAMADA, Satoru NOGUCHI, Seiichi KATO, Kanji KANEKO
  • Publication number: 20200102012
    Abstract: A vehicle body front structure includes: a front subframe; left and right suspension lower arms swingably supported by the front subframe; and a steering gearbox supported by the front subframe. The front subframe includes left and right longitudinal members extending in a fore-and-aft direction, a cross member extending laterally and joined to the longitudinal members, and front and rear lower arm supports provided on each longitudinal member to be spaced from each other in the fore-and-aft direction and swingably supporting the corresponding lower arm. The steering gearbox includes a laterally extending rack shaft and a pair of joints provided at either end of the rack shaft and joined to ends of respective tie rods. The longitudinal members extend obliquely to approach each other toward rear, and the rear lower arm supports are positioned more laterally inward than the respective joints when the rack shaft is in a neutral position.
    Type: Application
    Filed: September 24, 2019
    Publication date: April 2, 2020
    Inventors: Kazuhiro SAKAI, Kosuke MATSUSHITA, Hiroshi IMANISHI
  • Publication number: 20200102013
    Abstract: A vehicle body front structure includes: a front subframe; left and right suspension lower arms swingably supported by the front subframe; and a steering gearbox supported by the front subframe. The front subframe includes left and right longitudinal members extending in a fore-and-aft direction, a cross member extending laterally and joined to the longitudinal members, and a front lower arm support and a rear lower arm support provided on each longitudinal member to be spaced from each other in the fore-and-aft direction and swingably supporting the corresponding lower arm. The steering gearbox includes a laterally extending rack shaft and a pair of joints provided at either end of the rack shaft and joined to ends of respective tie rods. The longitudinal members extend obliquely so as to approach each other toward rear, and each front lower arm support is positioned more rearward than the steering gearbox.
    Type: Application
    Filed: September 24, 2019
    Publication date: April 2, 2020
    Inventors: Kazuhiro SAKAI, Kosuke MATSUSHITA, Hiroshi IMANISHI, Takehiko KOSHIISHI
  • Publication number: 20200085358
    Abstract: A biological-information measuring apparatus includes an informing unit that informs a subject whose biological information is to be measured of a reference rhythm that is predetermined as a rhythm suitable for measurement of the biological information, a measured value of which varies in accordance with a breathing state of the subject, in such a manner that a breathing rhythm of the subject becomes close to the reference rhythm and a measuring unit that measures the biological information of the subject who performs breathing to the reference rhythm, which is given to the subject by the informing unit.
    Type: Application
    Filed: August 19, 2019
    Publication date: March 19, 2020
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Kazuhiro SAKAI, Kazuyuki MATSUSHITA, Hideaki OZAWA, Hideyuki UMEKAWA, Kouhei YUKAWA, Manabu AKAMATSU
  • Patent number: 10539274
    Abstract: A light emitting device includes a plurality of LED strings connected in parallel, wherein: each of the LED strings includes a plurality of LED chips connected in series to each other; in the LED string, ultraviolet light LED chips and blue LED chips or violet LED chips and blue LED chips are connected in series to each other; and the number of the ultraviolet light LED chips or the number of the violet LED chips is the same as the number of the blue LED chips in each of the plurality of LED strings.
    Type: Grant
    Filed: November 10, 2015
    Date of Patent: January 21, 2020
    Assignee: TOYODA GOSEI CO., LTD.
    Inventors: Tomohiro Miwa, Kazuhiro Sakai, Shota Shimonishi, Shigeo Takeda
  • Patent number: 10492695
    Abstract: A living-body information measuring device includes a first light-emitting unit that emits a single-mode laser beam, a second light-emitting unit that emits a multi-mode light beam or an LED light beam, a light-receiving element that receives reflected or transmitted light beams reflected or transmitted by a living body when the first light-emitting unit and the second light-emitting unit emit the beams toward the living body, a control unit that controls light-emission periods of the first light-emitting unit and the second light-emitting unit, and a measurement unit that measures plural types of living-body information about the living body by using each of the reflected or transmitted light beams that are successively received by the light-receiving element.
    Type: Grant
    Filed: August 8, 2016
    Date of Patent: December 3, 2019
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Tomoaki Kojima, Kazuhiro Sakai, Hideaki Ozawa, Hideyuki Umekawa, Manabu Akamatsu
  • Patent number: 10492732
    Abstract: Provided is a living-body information measurement device including a first light emitting element and a second light emitting element each that emits different light in wavelength, a light receiving element that receives the light emitted from the first light emitting element and the second light emitting element, a control unit that controls a continuous light-emission period of each of the first light emitting element and the second light emitting element so that the continuous light-emission period of the second light emitting element is shorter than the continuous light-emission period of the first light emitting element, and a measuring unit that measures plural living-body information based on the light received in the light receiving element.
    Type: Grant
    Filed: August 5, 2016
    Date of Patent: December 3, 2019
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Hideyuki Umekawa, Kazuhiro Sakai, Manabu Akamatsu, Tomoaki Kojima
  • Publication number: 20190290174
    Abstract: 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: Application
    Filed: February 26, 2019
    Publication date: September 26, 2019
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Kazuhiro SAKAI, Manabu AKAMATSU, Tomoaki KOJIMA, Hideaki OZAWA, Hideyuki UMEKAWA
  • Publication number: 20190290175
    Abstract: A biological information measurement apparatus includes a first measurement unit that measures a value representing oxygen concentration in blood of a subject, and a second measurement unit that measures, by referring to a change in the value measured by the first measurement unit, as an oxygen circulation time within a predetermined time period with an end time thereof set to be later than a restart time of breathing of a subject from holding of breathing, a time duration from the restart time to a detection time of an inflection point of the value detected after the restart time of breathing.
    Type: Application
    Filed: January 24, 2019
    Publication date: September 26, 2019
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Hideyuki UMEKAWA, Manabu AKAMATSU, Kazuhiro SAKAI, Tomoaki KOJIMA, Hideaki OZAWA
  • Publication number: 20190290194
    Abstract: A biometric information measuring apparatus includes: a notification unit that notifies a subject holding breath to resume breathing when a specified time to hold breath is reached; and a measuring unit that measures an oxygen circulation time representing a time required for oxygen taken into a body of the subject by resumption of breathing by the subject to reach a predetermined site.
    Type: Application
    Filed: March 6, 2019
    Publication date: September 26, 2019
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Hideyuki UMEKAWA, Manabu AKAMATSU, Kazuhiro SAKAI, Hideaki OZAWA, Kazuyuki MATSUSHITA, Kohei YUKAWA