Patents by Inventor Keisuke Tada

Keisuke Tada 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: 20260011685
    Abstract: A semiconductor device includes a plurality of semiconductor modules. Each of the plurality of semiconductor modules includes: a base plate having a first surface and a second surface, the first surface being exposed to the outside of the semiconductor module, the second surface being on a side opposite to the first surface; an insulated substrate with a circuit pattern provided thereon; a semiconductor chip bonded to the circuit pattern; a sealer that seals the insulated substrate and the semiconductor chip; and a first main electrode and a second main electrode drawn out of the sealer in a direction opposite to a direction from the sealer toward the base plate. The semiconductor module has a planar shape with four corners, and has a rotationally symmetric shape.
    Type: Application
    Filed: June 14, 2023
    Publication date: January 8, 2026
    Applicant: Mitsubishi Electric Corporation
    Inventors: Yoshimasa TAKAKU, Keisuke TADA, Satoru KOZUKA
  • Patent number: 12228881
    Abstract: Yellow toner with excellent cleanability, transferability and device contamination resistance is provided. When intensity of spectrum at wavenumber ?, at which total intensity of Raman spectrums of toner particles from 950 cm?1 through 3,250 cm?1 in Raman spectroscopy of toner is maximum, is normalized to 1, and distribution is generated for ?300 particles regarding LC calculated by [LC (%)=CH5 rate (%)?CHc rate (%)] based on CHc rate (%) defined as [(Inc?Iave)/Iave]×100 and CHs rate (%) defined as [(Ins?Iave)/Iave]×100 where In and Ins represent integrated intensities of spectrums of center and surface portions of each particle from 2,750 cm?1 through 3,250 cm?1, and Iave represents average of Inc and Ins of all particles, percentage by number of particles having LC deviating from LC distribution median by absolute value of ?25.0; is ?1.0% by number and ?25.0% by number.
    Type: Grant
    Filed: December 12, 2023
    Date of Patent: February 18, 2025
    Assignee: RICOH COMPANY, LTD.
    Inventors: Shoki Matsuda, Keisuke Tada, Yasuyuki Sanui
  • Patent number: 12196641
    Abstract: A vehicle inspection device for an inspection implemented with a tire of a vehicle idling includes a tire supporter. The tire supporter includes rollers structured to allow the tire to idle; a housing supporting the rollers so as to allow the rollers to rotate; a stopper contained in the housing and structured to move up and down and butt into the tire disposed on the rollers; and a link mechanism structured to elevate the stopper. The vehicle inspection device is structured to be disposed on a plane that allows the vehicle to run thereon.
    Type: Grant
    Filed: January 11, 2022
    Date of Patent: January 14, 2025
    Assignee: MEIDENSHA CORPORATION
    Inventors: Toshimichi Takahashi, Keisuke Tada, Morio Onai
  • Patent number: 12032332
    Abstract: A magenta toner is provided. The magenta toner comprises toner particles each comprising a binder resin and a colorant. From 1.0% to 25.0% by number of the toner particles have a CH rate of 25.0% or more in absolute value. The CH rate is calculated from the following formula (1): CH rate(%)=[(In?Iave)/Iave]×100??Formula (1) where, in a Raman spectrum of each toner particle, In represents an integrated intensity within a wavenumber region of from 2,750 to 3,250 cm?1 when an intensity at a wavenumber ? within a wavenumber region of from 1,200 to 3,250 cm?1 is s normalized to 1, where a total intensity of all the toner particles is maximum at the wavenumber ?; and Iave represents an average of the In.
    Type: Grant
    Filed: February 12, 2021
    Date of Patent: July 9, 2024
    Assignee: Ricoh Company, Ltd.
    Inventors: Hiyori Fujino, Keisuke Tada, Shoki Matsuda, Fumihiko Chimoto, Takashi Okano, Ayumi Satoh
  • Publication number: 20240210847
    Abstract: Yellow toner with excellent cleanability, transferability and device contamination resistance is provided. When intensity of spectrum at wavenumber ?, at which total intensity of Raman spectrums of toner particles from 950 cm?1 through 3,250 cm?1 in Raman spectroscopy of toner is maximum, is normalized to 1, and distribution is generated for ?300 particles regarding LC calculated by [LC (%)=CH5 rate (%)?CHc rate (%)] based on CHc rate (%) defined as [(Inc?Iave)/Iave]×100 and CHs rate (%) defined as [(Ins?Iave)/Iave]×100 where In and Ins represent integrated intensities of spectrums of center and surface portions of each particle from 2,750 cm?1 through 3,250 cm?1, and Iave represents average of Inc and Ins of all particles, percentage by number of particles having LC deviating from LC distribution median by absolute value of ?25.0; is ?1.0% by number and ?25.0% by number.
    Type: Application
    Filed: December 12, 2023
    Publication date: June 27, 2024
    Inventors: Shoki MATSUDA, Keisuke TADA, Yasuyuki SANUI
  • Publication number: 20240077387
    Abstract: A vehicle inspection device for an inspection implemented with a tire of a vehicle idling includes a tire supporter. The tire supporter includes rollers structured to allow the tire to idle; a housing supporting the rollers so as to allow the rollers to rotate; a stopper contained in the housing and structured to move up and down and butt into the tire disposed on the rollers; and a link mechanism structured to elevate the stopper. The vehicle inspection device is structured to be disposed on a plane that allows the vehicle to run thereon.
    Type: Application
    Filed: January 11, 2022
    Publication date: March 7, 2024
    Applicant: MEIDENSHA CORPORATION
    Inventors: Toshimichi TAKAHASHI, Keisuke TADA, Morio ONAI
  • Patent number: 11841679
    Abstract: A cyan toner is provided. The cyan toner comprises toner particles each comprising a binder resin and a colorant. From 1.0% to 20.0% by number of the toner particles have a CH rate of 7.0% or more in absolute value. The CH rate is calculated from the following formula (1): CH rate (%)=[(In?Iave)/Iave]×100??Formula (1) where, in a Raman spectrum of each toner particle, In represents an integrated intensity within a wavenumber region of from 2,600 to 3,180 cm?1 when an intensity at a wavenumber ? within a wavenumber region of from 2,600 to 2,800 cm?1 is s normalized to 1, where a total intensity of all the toner particles is maximum at the wavenumber ?; and Iave represents an average of the In.
    Type: Grant
    Filed: June 2, 2021
    Date of Patent: December 12, 2023
    Assignee: Ricoh Company, Ltd.
    Inventors: Hiyori Fujino, Keisuke Tada, Shoki Matsuda, Fumihiko Chimoto, Ayumi Satoh
  • Patent number: 11276442
    Abstract: Apparatuses and methods for clock leveling in semiconductor memory are disclosed. In an example apparatus, a latency control circuit is configured to provide in first and second modes an active first control signal having a timing based on latency information and a system clock. A clock leveling control circuit is configured to provide in the first mode an active second control signal responsive to an active first control signal at a clock transition of a first clock and further configured to provide in the second mode clock leveling feedback responsive to the active first control signal at a transition of a second clock. A read clock circuit is configured to provide the multiphase clocks responsive to the active second control signal. A serializer circuit configured to serialize the data based on the multiphase clocks from the read clock circuit to provide the data in series.
    Type: Grant
    Filed: November 13, 2020
    Date of Patent: March 15, 2022
    Assignee: Micron Technology, Inc.
    Inventors: Koji Ito, Keisuke Tada, Mototada Sakashita
  • Patent number: 11239578
    Abstract: A connector includes a first housing and a second housing. The connector includes a terminal that is a first terminal disposed in a region opposite to the electronic device, of the second housing, and a terminal that is a second terminal disposed in the region opposite to the electronic device, of the second housing, and disposed adjacent to the first terminal. The connector includes a terminal that is a third terminal disposed in the region opposite to the electronic device, of the second housing, and disposed adjacent to the second terminal along an arrangement direction of the first terminal and the second terminal. The connector includes a first connecting conductor that electrically connects together the first terminal and the second terminal, and electrically connects the first terminal and the second terminal to a first device-side conductor provided in the electronic device.
    Type: Grant
    Filed: June 28, 2018
    Date of Patent: February 1, 2022
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Keisuke Tada, Yoshinao Tatei
  • Publication number: 20210397105
    Abstract: A cyan toner is provided. The cyan toner comprises toner particles each comprising a binder resin and a colorant. From 1.0% to 20.0% by number of the toner particles have a CH rate of 7.0% or more in absolute value. The CH rate is calculated from the following formula (1): CH rate (%)=[(In?Iave)/Iave]×100??Formula (1) where, in a Raman spectrum of each toner particle, In represents an integrated intensity within a wavenumber region of from 2,600 to 3,180 cm?1 when an intensity at a wavenumber ? within a wavenumber region of from 2,600 to 2,800 cm?1 is s normalized to 1, where a total intensity of all the toner particles is maximum at the wavenumber ?; and Iave represents an average of the In.
    Type: Application
    Filed: June 2, 2021
    Publication date: December 23, 2021
    Inventors: Hiyori FUJINO, Keisuke TADA, Shoki MATSUDA, Fumihiko CHIMOTO, Ayumi SATOH
  • Publication number: 20210286279
    Abstract: A magenta toner is provided. The magenta toner comprises toner particles each comprising a binder resin and a colorant. From 1.0% to 25.0% by number of the toner particles have a CH rate of 25.0% or more in absolute value. The CH rate is calculated from the following formula (1): CH rate (%)=[(In?Iave)/Iave]×100??Formula (1) where, in a Raman spectrum of each toner particle, In represents an integrated intensity within a wavenumber region of from 2,750 to 3,250 cm?1 when an intensity at a wavenumber ? within a wavenumber region of from 1,200 to 3,250 cm?1 is s normalized to 1, where a total intensity of all the toner particles is maximum at the wavenumber ?; and Iave represents an average of the In.
    Type: Application
    Filed: February 12, 2021
    Publication date: September 16, 2021
    Inventors: Hiyori FUJINO, Keisuke TADA, Shoki MATSUDA, Fumihiko CHIMOTO, Takashi OKANO, Ayumi SATOH
  • Publication number: 20210267080
    Abstract: To obtain a gas insulated switchgear which enables an improvement in maintainability. The gas insulated switchgear is characterized by including a main circuit device disposed inside a container in which an insulating gas is hermetically sealed; an operating mechanism disposed outside the container; a hermetic connecting shaft which transmits the drive force of the operating mechanism to the main circuit device; a first hermetic sealing portion disposed around the hermetic connecting shaft; and a second hermetic sealing portion which, having thereinside a hermetic sealing member, is disposed around the hermetic connecting shaft so as to be superimposed on the first hermetic sealing portion and also is provide in the atmosphere outside the container.
    Type: Application
    Filed: October 9, 2018
    Publication date: August 26, 2021
    Applicant: Mitsubishi Electric Corporation
    Inventors: Naoaki INOUE, Yuta NAKAYAMA, Keisuke TADA
  • Publication number: 20210257756
    Abstract: A connector includes a first housing and a second housing. The connector includes a terminal that is a first terminal disposed in a region opposite to the electronic device, of the second housing, and a terminal that is a second terminal disposed in the region opposite to the electronic device, of the second housing, and disposed adjacent to the first terminal. The connector includes a terminal that is a third terminal disposed in the region opposite to the electronic device, of the second housing, and disposed adjacent to the second terminal along an arrangement direction of the first terminal and the second terminal. The connector includes a first connecting conductor that electrically connects together the first terminal and the second terminal, and electrically connects the first terminal and the second terminal to a first device-side conductor provided in the electronic device.
    Type: Application
    Filed: June 28, 2018
    Publication date: August 19, 2021
    Applicant: Mitsubishi Electric Corporation
    Inventors: Keisuke TADA, Yoshinao TATEI
  • Publication number: 20210151087
    Abstract: Apparatuses and methods for clock leveling in semiconductor memory are disclosed. In an example apparatus, a latency control circuit is configured to provide in first and second modes an active first control signal having a timing based on latency information and a system clock. A clock leveling control circuit is configured to provide in the first mode an active second control signal responsive to an active first control signal at a clock transition of a first clock and further configured to provide in the second mode clock leveling feedback responsive to the active first control signal at a transition of a second clock. A read clock circuit is configured to provide the multiphase clocks responsive to the active second control signal. A serializer circuit configured to serialize the data based on the multiphase clocks from the read clock circuit to provide the data in series.
    Type: Application
    Filed: November 13, 2020
    Publication date: May 20, 2021
    Applicant: MICRON TECHNOLOGY, INC.
    Inventors: Koji Ito, Keisuke Tada, Mototada Sakashita
  • Patent number: 10859934
    Abstract: A yellow toner is provided. The yellow toner comprises toner particles each comprising a binder resin and a colorant, and 1.0% to 15.0% by number of the toner particles have a CH rate of 25.0% or more in absolute value. Here, the CH rate is calculated from the following formula (1): CH rate (%)=[(In?Iave)/Iave]×100??Formula (1) where In represents an integrated intensity within a wavenumber region of from 2,750 to 3,250 cm?1 when an intensity at a wavenumber ? within a wavenumber region of from 950 to 3,250 cm?1 is normalized to 1 in a Raman spectrum of each toner particle; and Iave represents an average of the In.
    Type: Grant
    Filed: December 27, 2019
    Date of Patent: December 8, 2020
    Assignee: Ricoh Company, Ltd.
    Inventors: Hiyori Fujino, Shoki Matsuda, Fumihiko Chimoto, Keisuke Tada, Daisuke Misawa
  • Patent number: 10839876
    Abstract: Apparatuses and methods for clock leveling in semiconductor memory are disclosed. In an example apparatus, a latency control circuit is configured to provide in first and second modes an active first control signal having a timing based on latency information and a system clock. A clock leveling control circuit is configured to provide in the first mode an active second control signal responsive to an active first control signal at a clock transition of a first clock and further configured to provide in the second mode clock leveling feedback responsive to the active first control signal at a transition of a second clock. A read clock circuit is configured to provide the multiphase clocks responsive to the active second control signal. A serializer circuit configured to serialize the data based on the multiphase clocks from the read clock circuit to provide the data in series.
    Type: Grant
    Filed: November 15, 2019
    Date of Patent: November 17, 2020
    Assignee: Micron Technology, Inc.
    Inventors: Koji Ito, Keisuke Tada, Mototada Sakashita
  • Patent number: D1016031
    Type: Grant
    Filed: July 14, 2021
    Date of Patent: February 27, 2024
    Assignee: Mitsubishi Electric Corporation
    Inventors: Hiroyuki Kato, Yorimasa Yasuda, Satoru Kozuka, Hideaki Yamamoto, Nichika Moriguchi, Keisuke Tada, Kenichi Oi, Masaaki Kadoyanagi, Toshio Nakayama, Shinichiro Ando, Akihiro Gonda
  • Patent number: D1016032
    Type: Grant
    Filed: July 23, 2021
    Date of Patent: February 27, 2024
    Assignee: Mitsubishi Electric Corporation
    Inventors: Hiroyuki Kato, Yorimasa Yasuda, Satoru Kozuka, Hideaki Yamamoto, Nichika Moriguchi, Keisuke Tada, Kenichi Oi, Masaaki Kadoyanagi, Toshio Nakayama, Shinichiro Ando, Akihiro Gonda
  • Patent number: D1016033
    Type: Grant
    Filed: July 23, 2021
    Date of Patent: February 27, 2024
    Assignee: Mitsubishi Electric Corporation
    Inventors: Hiroyuki Kato, Yorimasa Yasuda, Satoru Kozuka, Hideaki Yamamoto, Nichika Moriguchi, Keisuke Tada, Kenichi Oi, Masaaki Kadoyanagi, Toshio Nakayama, Shinichiro Ando, Akihiro Gonda
  • Patent number: D1127747
    Type: Grant
    Filed: August 2, 2023
    Date of Patent: May 26, 2026
    Assignee: Mitsubishi Electric Corporation
    Inventors: Keisuke Tada, Satoru Kozuka, Yoshimasa Takaku