Patents by Inventor Yutaka Saito

Yutaka Saito 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).

  • Sheet feeder
    Patent number: 9592974
    Abstract: A sheet feeder including a driving mechanism moving a stopper, an end of the stopper in a first position being closer to a pickup roller axis than a part of a roller surface of a pickup roller, the end of the stopper in a second position being farther from the pickup roller axis than the part of the roller surface, and a movable set guide having a first surface facing in a particular direction to become farther from the roller surface, the first surface being farther from the pickup roller axis than all the roller surface when the set guide is in a third position and contacts the stopper in the first position, the first surface being closer to the pickup roller axis than the part of the roller surface when the set guide is in a fourth position and separated away from the stopper in the second position.
    Type: Grant
    Filed: September 17, 2015
    Date of Patent: March 14, 2017
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Yutaka Saito, Masatsugu Mizuno
  • Bulky sheet and method for producing same
    Patent number: 9560950
    Abstract: A bulky sheet (10) has a first side (11), a second side (12) opposite to the first side (11), a plurality of macroscopic first recessed ridges (21) and a projection (30) on at least the first side (11). The first recessed ridges (21) extend straight in a first direction at a predetermined interval. The projection (30) is located between the first recessed ridges (21) adjacent to each other. The projection (30) projects from the second side (12) toward the first side (11) of the bulky sheet (10).
    Type: Grant
    Filed: November 22, 2011
    Date of Patent: February 7, 2017
    Assignee: KAO CORPORATION
    Inventors: Takashi Kawai, Akemi Yuji, Yutaka Saito, Manabu Kaneta
  • LIGHT EMITTING APPARATUS
    Publication number: 20170012233
    Abstract: A substrate (110) includes corners (112). An insulating layer (170) includes first openings (172). A light emitting element (102) overlaps the first opening (172), and includes an organic layer (130). At least one layer of the organic layer (130), for example, a hole injection layer, is a coated film, and other layers thereof are vapor-deposited films. Meanwhile, all the layers of the organic layer (130) may be coated films. At least one layer of the organic layer (130) which is a coated film is also located on the insulating layer (170), and includes a protruding region (132) protruding toward the corner (112) of the substrate (110).
    Type: Application
    Filed: January 29, 2014
    Publication date: January 12, 2017
    Inventors: Daisuke MASUDA, Masanobu AKAGI, Yutaka SAITO, Kazuhiro TAKEDA
  • Vehicle door handle device
    Patent number: 9540850
    Abstract: A vehicle door handle device, which is mounted on a side of a vehicle door facing a passenger compartment, includes: a door lock knob provided on a base member such that the door lock knob is pivotable between a locking position for placing the door in a locked state and an unlocking position for placing the door in an unlocked position; and a stopper provided on the base member between the locking position and the unlocking position for limiting pivoting movement of the door lock knob. The stopper has an elastic section, and the door lock knob has a locking surface section for abutting against the elastic section of the stopper when the door lock knob is in the locking position and an unlocking surface section for abutting against the elastic section of the stopper when the door lock knob is in the unlocking position.
    Type: Grant
    Filed: February 3, 2014
    Date of Patent: January 10, 2017
    Assignees: HONDA MOTOR CO., LTD, ALPHA CORPORATION
    Inventors: Kenichi Tanoguchi, Daichi Okamoto, Katsuya Ashizawa, Yutaka Saito
  • THROTTLE VALVE
    Publication number: 20160356398
    Abstract: A throttle valve 10 continuously increases/decreases the flow rate of air flowing through a communication hole 17 through which a first port 11 and a second port 12 are communicated with each other, by using a throttle valve element 22. A valve seat member 15 having the communication hole 17 is attached to a housing 13. An electric motor 25 is attached to a motor housing hole 24 formed in the housing 13. The throttle valve element 22 is driven in an axial direction by a motor shaft 28 of the electric motor 25. A gap between the motor housing hole 24 and the electric motor 25 is sealed by a fixed sealing member 41 having a large diameter, and the motor shaft 28 is sealed by a rotary sealing member 42 having a small diameter, whereby the throttle valve element can be driven by the electric motor having a small output.
    Type: Application
    Filed: August 28, 2014
    Publication date: December 8, 2016
    Inventors: Yutaka Saito, Ryotaro Oba
  • Electrostatic-image-developing toner, electrostatic image developer, and toner cartridge
    Patent number: 9442404
    Abstract: There is provided an electrostatic-image-developing toner containing: a toner particle which contains a binder resin containing a polyester resin, a release agent, and a styrene (meth)acrylic resin and in which the styrene (meth)acrylic resin forms a domain having a number average diameter of 300 nm to 800 nm in the toner particle; and an inorganic particle in which the number average diameter of the domain is from 1.5 times to 10 times the number average particle diameter of the inorganic particle.
    Type: Grant
    Filed: November 5, 2015
    Date of Patent: September 13, 2016
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Yutaka Saito, Sakon Takahashi, Yasuaki Hashimoto, Tsutomu Furuta, Yuka Yamagishi
  • Toner for developing electrostatic image, developer for electrostatic image, toner cartridge, process cartridge, and image forming apparatus
    Patent number: 9389581
    Abstract: A toner for developing an electrostatic image, including: toner particles containing at least a binder resin, a release agent, and a colorant; and an external additive having a volume average particle diameter (d) of from 70 nm to 400 nm, a ratio (d/?) of the volume average particle diameter (d) to a standard deviation (?) of a volumetric basis particle diameter of from 2.0 to 12, and an average circularity of from 0.5 to 0.9.
    Type: Grant
    Filed: May 20, 2011
    Date of Patent: July 12, 2016
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Katsuyuki Kitajima, Yutaka Saito, Michio Take, Yoshifumi Iida, Motoko Sakai
  • SHEET FEEDER
    Publication number: 20160090250
    Abstract: A sheet feeder including a driving mechanism moving a stopper, an end of the stopper in a first position being closer to a pickup roller axis than a part of a roller surface of a pickup roller, the end of the stopper in a second position being farther from the pickup roller axis than the part of the roller surface, and a movable set guide having a first surface facing in a particular direction to become farther from the roller surface, the first surface being farther from the pickup roller axis than all the roller surface when the set guide is in a third position and contacts the stopper in the first position, the first surface being closer to the pickup roller axis than the part of the roller surface when the set guide is in a fourth position and separated away from the stopper in the second position.
    Type: Application
    Filed: September 17, 2015
    Publication date: March 31, 2016
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Yutaka SAITO, Masatsugu MIZUNO
  • ELECTROSTATIC IMAGE-DEVELOPING TONER, ELECTROSTATIC IMAGE DEVELOPER, AND TONER CARTRIDGE
    Publication number: 20160091810
    Abstract: There is provided an electrostatic image-developing toner containing a toner particle containing a binder resin and a release agent and having a sea-island structure involving a sea part containing the binder resin and an island part containing the release agent, in which a mode value of the distribution of the eccentricity degree B represented by the specific formula of the release agent-containing island part is from 0.75 to 0.98 and a skewness of the distribution of the eccentricity degree B is from ?1.10 to ?0.50; and an external additive containing a silica particle having a volume average particle diameter of 80 nm to 200 nm; wherein a bulk density of the toner is from 0.33 g/cm3 to 0.40 g/cm3.
    Type: Application
    Filed: February 18, 2015
    Publication date: March 31, 2016
    Inventors: Tsutomu FURUTA, Yutaka SAITO, Yasuaki HASHIMOTO, Sakon TAKAHASHI
  • ELECTROSTATIC IMAGE-DEVELOPING TONER, ELECTROSTATIC IMAGE DEVELOPER, AND TONER CARTRIDGE
    Publication number: 20160085165
    Abstract: There is provided an electrostatic image-developing toner containing a binder resin, a coloring agent and a release agent having a melting temperature of 85° C. to 120° C., the toner having a sea-island structure involving a sea part containing the binder resin and an island part containing the release agent, wherein a mode value of the distribution of the eccentricity degree B of the release agent-containing island part, represented by the specific formula, is from 0.75 to 1.00 and a skewness of the distribution of the eccentricity degree B is from ?1.30 to ?0.50.
    Type: Application
    Filed: February 24, 2015
    Publication date: March 24, 2016
    Inventors: Satoshi KAMIWAKI, Akira MATSUMOTO, Tsuyoshi MURAKAMI, Satoshi MIURA, Atsushi SUGAWARA, Yukiaki NAKAMURA, Kana YOSHIDA, Yutaka SAITO, Sakon TAKAHASHI, Yasuaki HASHIMOTO, Koji SASAKI, Tsutomu FURUTA
  • Electrostatic charge image developing toner, toner container, and image forming apparatus
    Patent number: 9176411
    Abstract: An electrostatic charge image developing toner includes toner particles and silica particles, wherein the silica particles have an average equivalent circle diameter of from 70 nm to 400 nm, an average circularity of from 0.5 to 0.9, and a pore volume of from 0.05 cm3/g to 2.5 cm3/g.
    Type: Grant
    Filed: October 28, 2013
    Date of Patent: November 3, 2015
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Koji Sasaki, Satoshi Inoue, Yutaka Saito, Yasuaki Hashimoto, Emi Takahashi
  • ELECTROSTATIC CHARGE IMAGE DEVELOPING TONER, ELECTROSTATIC CHARGE IMAGE DEVELOPER, DEVELOPER CARTRIDGE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
    Publication number: 20150268576
    Abstract: An electrostatic charge image developing toner includes toner particles containing a binder resin and a colorant, and strontium titanate particles, wherein the strontium titanate particles have a volume average particle diameter of 800 nm to 10,000 nm, a maximum peak at a Bragg angle of 32.2° in CuK? characteristic X-ray diffraction, and a half-value width of the maximum peak equal to or greater than 0.5 degrees.
    Type: Application
    Filed: January 6, 2015
    Publication date: September 24, 2015
    Inventors: Yutaka SAITO, Satoshi INOUE, Yasuaki HASHIMOTO, Hiroshi KAMADA, Tsutomu FURUTA
  • MACHINE TOOL AND METHOD FOR CONTROLLING MACHINE TOOL
    Publication number: 20150258650
    Abstract: A machine tool that can output an abnormal noise is provided. A machine tool includes: an input unit configured to receive an input of a setting for defining an operation mode of the machine tool; a storage unit configured to store sound generated during a normal operation of the machine tool and acquired in advance; a sound collection unit configured to collect sound in the machining area; a sound selection unit configured to extract a part of sound collected in the machining area in accordance with the setting input for outputting sound to the outside of the machine tool; and a sound output unit configured to output sound extracted by the sound selection unit to the outside of the machining area.
    Type: Application
    Filed: February 5, 2015
    Publication date: September 17, 2015
    Applicant: DMG MORI SEIKI CO., LTD.
    Inventors: Yoichi Okamoto, Eiichiro Gomi, Hiroki Nakao, Yutaka Saito
  • Electrostatic image developing toner, electrostatic image developer, toner cartridge, process cartridge, image forming apparatus and image forming method
    Patent number: 9052622
    Abstract: An electrostatic image developing toner including: a toner particle containing a coloring agent and a binder resin; and an external additive on the toner particle, wherein the external additive contains a silica particle, a primary particle of the silica particle has an average particle diameter of from 70 nm to 400 nm, a particle size distribution index of the primary particle of from 1.0 to 1.9, and an average circularity of from 0.5 to 0.9.
    Type: Grant
    Filed: August 22, 2011
    Date of Patent: June 9, 2015
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Yutaka Saito, Katsuyuki Kitajima, Masahiro Takagi
  • EXCISING ENDOCAP
    Publication number: 20150133926
    Abstract: An endoscopic endocap for excising a target portion of a native tissue from a remaining portion of the native tissue during a surgical procedure includes an annular main body. The main body has a proximal end and an oppositely disposed distal end. The distal end includes an extension that protrudes longitudinally beyond a remaining portion of the distal end. An outer surface of the distal end, and an inner surface of the main body, extend longitudinally between the proximal and distal ends. The inner surface defines at least one lumen with an opening terminating at the terminal portion of the distal end. At least one excisor is disposed on the extension with the excisor is laterally spaced from the outer surface of the annular main body. The excisor remains stationary with respect to the lumen during use of the excisor to excise the target portion of the native tissue.
    Type: Application
    Filed: November 7, 2014
    Publication date: May 14, 2015
    Inventors: Amit Bhatt, Yutaka Saito
  • Content distribution server and content playback control terminal
    Patent number: 9014541
    Abstract: In the present invention, a content distribution server distributes a content key, encrypted content encrypted using the content key, and playback control information describing a playback mode restriction for a specific section of content, to a content playback terminal, and the content playback terminal refers to the playback control information, and decodes and plays back encrypted content in the case of a playback mode in which the specific section of content is not restricted. By this means, the playback mode of a specific section of content can be restricted based on playback control information.
    Type: Grant
    Filed: December 19, 2011
    Date of Patent: April 21, 2015
    Assignee: Panasonic Intellectual Property Corporation of America
    Inventors: Toru Kawaguchi, Yutaka Saito
  • Organic el panel, panel-combined light emitting device, and method of manufacturing organic el panel
    Patent number: 8917017
    Abstract: For organic EL panels with a hollow-sealed structure to meet the demand of flat or large displays, the inconvenience of contact of drying anent etc touching the organic EL elements in the sealed space is avoided. An organic EL panel includes a panel substrate, a light-emitting part with a plurality of organic EL elements having an anode, an organic layer and a cathode laminated on the panel substrate, and a sealing substrate configured to be bonded onto the panel substrate through an adhesive layer to seal the light-emitting part. The sealing substrate includes a supporting projection projecting toward the panel substrate. A supporting margin facing to the bottom face of the supporting projection is provided where the organic EL elements is not formed within a region of the light-emitting part on the panel substrate.
    Type: Grant
    Filed: March 8, 2010
    Date of Patent: December 23, 2014
    Assignees: Tohoku Pioneer Corporation, Mitsubishi Electric Corporation
    Inventors: Zenichiro Hara, Satoru Kiridoshi, Suguru Nagae, Takanori Okumura, Shintaro Yamasaki, Yuji Saito, Yutaka Saito, Masashi Fukuzaki, Masami Kimura
  • ELECTROSTATIC CHARGE IMAGE DEVELOPING TONER, TONER CONTAINER, AND IMAGE FORMING APPARATUS
    Publication number: 20140370427
    Abstract: An electrostatic charge image developing toner includes toner particles and silica particles, wherein the silica particles have an average equivalent circle diameter of from 70 nm to 400 nm, an average circularity of from 0.5 to 0.9, and a pore volume of from 0.05 cm3/g to 2.5 cm3/g.
    Type: Application
    Filed: October 28, 2013
    Publication date: December 18, 2014
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Koji SASAKI, Satoshi INOUE, Yutaka SAITO, Yasuaki HASHIMOTO, Emi TAKAHASHI
  • Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, developer cartridge, process cartridge, image forming method, and image forming apparatus
    Patent number: 8871416
    Abstract: An electrostatic charge image developing toner includes toner particles containing a colorant, a binder resin, and a release agent, and an external additive, wherein the external additive includes particles having oil-treated surfaces and composite particles containing silica and titania, and the toner has a content ratio of titania with respect to silica on the surface of the toner, as measured by X-ray photoelectron spectroscopy, of equal to or less than 5 atomic %.
    Type: Grant
    Filed: July 31, 2012
    Date of Patent: October 28, 2014
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Yutaka Saito, Hiroki Ohmori, Hirokazu Hamano
  • VEHICLE DOOR HANDLE DEVICE
    Publication number: 20140217756
    Abstract: A vehicle door handle device, which is mounted on a side of a vehicle door facing a passenger compartment, includes: a door lock knob provided on a base member such that the door lock knob is pivotable between a locking position for placing the door in a locked state and an unlocking position for placing the door in an unlocked position; and a stopper provided on the base member between the locking position and the unlocking position for limiting pivoting movement of the door lock knob. The stopper has an elastic section, and the door lock knob has a locking surface section for abutting against the elastic section of the stopper when the door lock knob is in the locking position and an unlocking surface section for abutting against the elastic section of the stopper when the door lock knob is in the unlocking position.
    Type: Application
    Filed: February 3, 2014
    Publication date: August 7, 2014
    Applicants: ALPHA Corporation, Honda Motor Co., Ltd.
    Inventors: Kenichi Tanoguchi, Daichi Okamoto, Katsuya Ashizawa, Yutaka Saito