Patents by Inventor Hideaki Ohara

Hideaki Ohara 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).

  • Publication number: 20220373949
    Abstract: An endless belt includes a metal substrate, and a heat-resistant resin layer that is disposed as an innermost layer on an inner peripheral surface of the metal substrate and that contains a resin and a thermally conductive filler having an aspect ratio of 20 or more. In the heat-resistant resin layer, an orientation ratio of the thermally conductive filler with respect to a circumferential direction of the endless belt is 20% or more.
    Type: Application
    Filed: September 2, 2021
    Publication date: November 24, 2022
    Applicant: FUJIFILM Business Innovation Corp.
    Inventors: Kenji Omori, Hideaki Ohara, Tomotake Inagaki, Hitoshi Komuro, Jun Kimura
  • Publication number: 20220361248
    Abstract: A terminal includes a receiver that receives an index specifying configuration information for transmitting a random access preamble; and a controller that configures, in response to the receiver receiving additional information that specifies a time domain resource for transmitting the random access preamble, the time domain resource specified by the additional information, the time domain resource being configured by replacing a time domain resource for transmitting the random access preamble included in the configuration information specified by the index with the time domain resource specified by the additional information.
    Type: Application
    Filed: July 9, 2019
    Publication date: November 10, 2022
    Applicant: NTT DOCOMO, INC.
    Inventors: Hideaki Takahashi, Akihito Hanaki, Hiroki Harada, Tomoya Ohara
  • Patent number: 11487232
    Abstract: An endless belt includes a metal substrate, and a heat-resistant resin layer that is disposed as an innermost layer on an inner peripheral surface of the metal substrate and that contains a resin and a thermally conductive filler having an aspect ratio of 20 or more. In the heat-resistant resin layer, an orientation ratio of the thermally conductive filler with respect to a circumferential direction of the endless belt is 20% or more.
    Type: Grant
    Filed: September 2, 2021
    Date of Patent: November 1, 2022
    Assignee: FUJIFILM Business Innovation Corp.
    Inventors: Kenji Omori, Hideaki Ohara, Tomotake Inagaki, Hitoshi Komuro, Jun Kimura
  • Patent number: 11483873
    Abstract: User equipment for receiving an instruction to perform a random access procedure from a base station apparatus is provided. The user equipment includes a receiver configured to receive, from the base station apparatus, information specifying available random access channel transmission occasions associated with a synchronization block, a controller configured to identify a random access channel transmission occasion based on the information, and a transmitter configured to transmit a random access preamble by using the identified random access channel transmission occasion.
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: October 25, 2022
    Assignee: NTT DOCOMO, INC.
    Inventors: Tooru Uchino, Hideaki Takahashi, Hiroki Harada, Tomoya Ohara
  • Publication number: 20220244653
    Abstract: A unit includes: a developing device configured to develop an electrostatic charge image that is formed on a surface of an image carrier, as a toner image with a developer including a brilliant toner containing a flat brilliant pigment, the developer being accommodated in the developing device; and a fixing device configured to fix the toner image onto a surface of a recording medium at a fixing temperature of 130° C. or higher and 230° C. or lower that includes a fixing belt, a first roller and a second roller that are disposed inside the fixing belt and support the fixing belt while applying tension to the fixing belt, and a pressure roller, the first roller and the pressure roller sandwiching the fixing belt to form a nip portion.
    Type: Application
    Filed: August 23, 2021
    Publication date: August 4, 2022
    Applicant: FUJIFILM Business Innovation Corp.
    Inventors: Yukiko KAMIJO, Hideaki OHARA, Kenji OMORI, Junko YAMASAKI, Daisuke NAKASHIMA, Yuka ISHIHARA, Hitoshi KOMURO
  • Publication number: 20220217788
    Abstract: A user equipment includes a transmission unit that transmits a first message to a base station apparatus, the first message including a random access preamble in a two-step random access procedure, a reception unit that receives a second message for contention resolution in the two-step random access procedure from the base station apparatus, and a control unit that determines a transport block size of an uplink shared channel included in the first message based on a parameter associated with communication to the base station apparatus.
    Type: Application
    Filed: May 2, 2019
    Publication date: July 7, 2022
    Applicant: NTT DOCOMO, INC.
    Inventors: Tomoya Ohara, Tooru Uchino, Hideaki Takahashi, Lihui Wang, Xiaolin Hou
  • Publication number: 20220210837
    Abstract: A user equipment includes a transmission unit that transmits a first message including a random access preamble in a two-step random access procedure, a reception unit that receives one or more second messages for contention resolution in the two-step random access procedure, and a control unit that controls an operation to receive the second messages based on information associated with an identifier of the first message included in the second messages.
    Type: Application
    Filed: April 26, 2019
    Publication date: June 30, 2022
    Applicant: NTT DOCOMO, INC.
    Inventors: Tooru Uchino, Hideaki Takahashi, Tomoya Ohara, Lihui Wang, Xiaolin Hou
  • Patent number: 11359041
    Abstract: An endless belt includes a substrate layer, and a first surface layer that is disposed on an outer circumferential surface of the substrate layer and that includes a cross-linked fluororesin layer. A layer containing a cross-linked fluororesin forms the inner circumferential surface of the belt. Martens hardness of the inner circumferential surface of the belt at 130° C. is higher than Martens hardness of the outer circumferential surface of the belt at 130° C.
    Type: Grant
    Filed: July 1, 2020
    Date of Patent: June 14, 2022
    Assignee: FUJIFILM Business Innovation Corp.
    Inventors: Hideaki Ohara, Kenji Omori, Junko Yamasaki, Kenta Yamakoshi
  • Publication number: 20210301050
    Abstract: An endless belt includes a substrate layer, and a first surface layer that is disposed on an outer circumferential surface of the substrate layer and that includes a cross-linked fluororesin layer. A layer containing a cross-linked fluororesin forms the inner circumferential surface of the belt. Martens hardness of the inner circumferential surface of the belt at 130° C. is higher than Martens hardness of the outer circumferential surface of the belt at 130° C.
    Type: Application
    Filed: July 1, 2020
    Publication date: September 30, 2021
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Hideaki OHARA, Kenji OMORI, Junko YAMASAKI, Kenta YAMAKOSHI
  • Patent number: 11067928
    Abstract: A fixing member includes a substrate layer including a resin; a first metal layer that is provided on an outer peripheral surface of the substrate layer and including Cu; a second metal layer that is provided on the outer peripheral surface of the first metal layer so as to be in contact with the first metal layer, includes Ni, and has crystal orientation indexes of 0.80 to 1.30 for a (111) plane, 0.80 to 1.50 for a (200) plane, and 0.70 to 1.30 for a (311) plane; and an elastic layer that is provided on an outer peripheral surface of the second metal layer.
    Type: Grant
    Filed: January 23, 2020
    Date of Patent: July 20, 2021
    Assignee: FUJIFILM Business Innovation Corp.
    Inventors: Tomotake Inagaki, Yusuke Watanabe, Tomoko Suzuki, Hideaki Ohara, Ryohei Yoshikawa
  • Publication number: 20210088944
    Abstract: A fixing member includes a substrate layer including a resin; a first metal layer that is provided on an outer peripheral surface of the substrate layer and including Cu; a second metal layer that is provided on the outer peripheral surface of the first metal layer so as to be in contact with the first metal layer, includes Ni, and has crystal orientation indexes of 0.80 to 1.30 for a (111) plane, 0.80 to 1.50 for a (200) plane, and 0.70 to 1.30 for a (311) plane; and an elastic layer that is provided on an outer peripheral surface of the second metal layer.
    Type: Application
    Filed: January 23, 2020
    Publication date: March 25, 2021
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Tomotake INAGAKI, Yusuke WATANABE, Tomoko SUZUKI, Hideaki OHARA, Ryohei YOSHIKAWA
  • Patent number: 10890868
    Abstract: A fixing member includes: a substrate layer including a resin; a first metal layer that is provided on an outer circumferential surface of the substrate layer and includes Cu; a second metal layer that is provided on an outer circumferential surface of the first metal layer so as to be in contact with the first metal layer and includes Ni, and has crystal orientation indexes of from 1.0 to 1.8 for a (111) plane, from 0.5 to 1.3 for a (200) plane, and from 1.0 to 1.6 for a (311) plane; and an elastic layer that is provided on an outer circumferential surface of the second metal layer.
    Type: Grant
    Filed: December 23, 2019
    Date of Patent: January 12, 2021
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Tomotake Inagaki, Hideaki Ohara, Tomoko Suzuki, Yusuke Watanabe
  • Patent number: 10809653
    Abstract: An image-forming-apparatus sliding member includes a woven base and a cover layer disposed on at least one surface of the woven base. The average height of projections and depressions on a sliding surface is greater than or equal to 40 ?m and smaller than or equal to 90 ?m, and an average distance between the projections and the depressions is greater than or equal to 700 ?m and smaller than or equal to 1600 ?m.
    Type: Grant
    Filed: January 15, 2020
    Date of Patent: October 20, 2020
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Hideaki Ohara, Fumio Daishi, Kenta Yamakoshi, Kenji Omori
  • Publication number: 20200326650
    Abstract: A fixing member includes: a substrate layer including a resin; a first metal layer that is provided on an outer circumferential surface of the substrate layer and includes Cu; a second metal layer that is provided on an outer circumferential surface of the first metal layer so as to be in contact with the first metal layer, includes Ni, and has crystal orientation indexes of from 0 to 1.08 for a (111) plane, from 1.42 to 4.25 for a (200) plane, and from 0.07 to 0.69 for a (311) plane; and an elastic layer that is provided on an outer circumferential surface of the second metal layer.
    Type: Application
    Filed: January 9, 2020
    Publication date: October 15, 2020
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Tomoko SUZUKI, Yusuke WATANABE, Tomotake INAGAKI, Hideaki OHARA
  • Publication number: 20200326649
    Abstract: A fixing member includes: a substrate layer including a resin; a first metal layer that is provided on an outer circumferential surface of the substrate layer and includes Cu; a second metal layer that is provided on an outer circumferential surface of the first metal layer so as to be in contact with the first metal layer and includes Ni, and has crystal orientation indexes of from 1.0 to 1.8 for a (111) plane, from 0.5 to 1.3 for a (200) plane, and from 1.0 to 1.6 for a (311) plane; and an elastic layer that is provided on an outer circumferential surface of the second metal layer.
    Type: Application
    Filed: December 23, 2019
    Publication date: October 15, 2020
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Tomotake INAGAKI, Hideaki OHARA, Tomoko SUZUKI, Yusuke WATANABE
  • Patent number: 10802433
    Abstract: A fixing member includes: a substrate layer including a resin; a first metal layer that is provided on an outer peripheral surface of the substrate layer and includes Cu; a second metal layer that is provided on an outer peripheral surface of the first metal layer so as to be in contact with the first metal layer, includes Ni, and has an average crystal grain size of 0.15 ?m to 0.19 ?m; and an elastic layer that is provided on an outer peripheral surface of the second metal layer.
    Type: Grant
    Filed: January 23, 2020
    Date of Patent: October 13, 2020
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Yusuke Watanabe, Tomoko Suzuki, Tomotake Inagaki, Hideaki Ohara, Ryohei Yoshikawa
  • Patent number: 10802432
    Abstract: A fixing member includes: a substrate layer including a resin; a first metal layer that is provided on an outer circumferential surface of the substrate layer and includes Cu; a second metal layer that is provided on an outer circumferential surface of the first metal layer so as to be in contact with the first metal layer, includes Ni, and has crystal orientation indexes of from 0 to 1.08 for a (111) plane, from 1.42 to 4.25 for a (200) plane, and from 0.07 to 0.69 for a (311) plane; and an elastic layer that is provided on an outer circumferential surface of the second metal layer.
    Type: Grant
    Filed: January 9, 2020
    Date of Patent: October 13, 2020
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Tomoko Suzuki, Yusuke Watanabe, Tomotake Inagaki, Hideaki Ohara
  • Patent number: 9459570
    Abstract: A fixing device includes a fixing member that fixes a toner image to a recording medium, a pressure member that forms, together with the fixing member, a pressure portion through which the recording medium carrying the toner image yet to be fixed passes, and a heating member including a heating layer that generates heat when energized and an insulating layer that encloses the heating layer so as to electrically insulate the heating layer. The heating member has a curved shape along an inner peripheral surface of the fixing member, in a state in which no external force is applied, and is in contact with the inner peripheral surface of the fixing member.
    Type: Grant
    Filed: February 25, 2014
    Date of Patent: October 4, 2016
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Mikio Saiki, Mitsuhiro Matsumoto, Kazuyoshi Ito, Yasuhiro Uehara, Atsumi Kurita, Hideaki Ohara, Hiromi Nagai, Nobuyoshi Komatsu
  • Patent number: 9235171
    Abstract: Provided is a fixing device including a heating unit that includes a circularly moving heating belt, and a pressurizing roller that presses an external face of the heating belt, the fixing device fixing a toner image on a sheet onto the sheet by nipping the sheet between the heating belt and the pressurizing roller and by heating and pressurizing the sheet transported with the toner image being held.
    Type: Grant
    Filed: May 8, 2014
    Date of Patent: January 12, 2016
    Assignee: FUJI XEROX CO., LTD
    Inventors: Hideaki Ohara, Mitsuhiro Matsumoto, Kazuyoshi Ito, Yasuhiro Uehara, Mikio Saiki, Hiromi Nagai, Nobuyoshi Komatsu, Hiroki Murakami, Junji Okada, Kimiyuki Kawakami, Tadashi Suto
  • Patent number: 9217971
    Abstract: A fixing device includes a rotatable endless fixing member that fixes a toner image onto a recording medium, and a heating member. The heating member includes a heat-generating layer that generates heat when supplied with electricity; an insulation layer that encloses the heat-generating layer therein to electrically insulate the heat-generating layer; a metallic layer that is laminated on a first surface of the insulation layer, has higher rigidity than the insulation layer, and generates an elastic restoring force; and a thermally conductive layer that is laminated on a second surface of the insulation layer, has lower rigidity than the metallic layer, and has higher thermal conductivity than the insulation layer and the metallic layer. The heating member is supported by one edge of the fixing member in a circumferential direction thereof, elastically deforms by being pressed against an inner peripheral surface of the fixing member, and heats the fixing member.
    Type: Grant
    Filed: February 5, 2015
    Date of Patent: December 22, 2015
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Mitsuhiro Matsumoto, Hideaki Ohara, Yasuhiro Uehara, Kazuyoshi Ito, Mikio Saiki, Hiroki Murakami, Junji Okada, Kimiyuki Kawakami, Tadashi Suto