Patents by Inventor Masakazu Tamura

Masakazu Tamura 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: 20240124995
    Abstract: An electrochemical reaction device in an embodiment includes: an electrochemical reaction cell including a first accommodation part for accommodating carbon dioxide, a second accommodation part for accommodating an electrolytic solution containing water, or water vapor, a diaphragm provided between the first accommodation part and the second accommodation part, a reduction electrode arranged in the first accommodation part, and an oxidation electrode arranged in the second accommodation part, a detection unit detecting a reaction amount in the electrochemical reaction cell; a regulation unit regulating an amount of the carbon dioxide to be supplied to the first accommodation part, and a control unit controlling the regulation unit based on a detection signal of the detection unit.
    Type: Application
    Filed: December 27, 2023
    Publication date: April 18, 2024
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Ryota KITAGAWA, Yusuke KOFUJI, Asahi MOTOSHIGE, Masakazu YAMAGIWA, Jun TAMURA, Yuki KUDO, Akihiko ONO, Satoshi MIKOSHIBA
  • Patent number: 11946150
    Abstract: An electrochemical reaction device in an embodiment includes: a reaction unit including a first accommodation part to accommodate carbon dioxide and a second accommodation part to accommodate an electrolytic solution containing water; a reduction electrode to reduce the carbon dioxide; an oxidation electrode to oxidize the water; a power supply to pass current between the reduction electrode and the oxidation electrode; a pressure regulator to regulate a pressure in the first accommodation part; a reaction product detector to detect at least one of an amount and a kind of a substance produced at the reduction electrode; and a controller to control the pressure regulator based on a detection signal of the reaction product detector.
    Type: Grant
    Filed: August 4, 2022
    Date of Patent: April 2, 2024
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Ryota Kitagawa, Asahi Motoshige, Yoshitsune Sugano, Masakazu Yamagiwa, Jun Tamura, Yuki Kudo, Akihiko Ono, Satoshi Mikoshiba
  • Publication number: 20240072605
    Abstract: A brushless motor includes a motor part and a gear part. The motor part includes: a rotating shaft, having a first gear; a rotor, having a bottom wall and a side wall, the bottom wall being fixed to the rotating shaft; magnets, fixed to the side wall and arranged side by side in a circumferential direction of the rotor; a stator, provided between the rotating shaft and the magnets in a radial direction of the rotor and wound with a coil; and a motor housing, rotatably supporting the rotating shaft, and accommodating the rotor and the stator. The gear part includes: a second gear, meshed with the first gear; an output shaft, having an output part, having a base end side thereof fixed to the second gear, and parallel to the rotating shaft; and a gear housing, rotatably supporting the output shaft, and accommodating the second gear.
    Type: Application
    Filed: June 13, 2023
    Publication date: February 29, 2024
    Applicant: MITSUBA Corporation
    Inventors: TEPPEI TOKIZAKI, Motoaki Kobayashi, Satoshi Tamura, Masaki Hayata, Masakazu Saito, Yoshichika Kawashima
  • Patent number: 11845786
    Abstract: A novel peptide which comprises an amino acid sequence represented by SEQ ID NO: 23, and specifically inhibits the protease activity of a target molecule.
    Type: Grant
    Filed: November 22, 2021
    Date of Patent: December 19, 2023
    Assignee: Daiichi Sankyo Company, Limited
    Inventors: Daisuke Nishimiya, Masakazu Tamura
  • Publication number: 20230100091
    Abstract: A scenario generation device includes: a real environment scene obtaining unit obtaining a real environment scene, which is a scene that occurs in a real environment, from a travel database that stores travel data of a real vehicle; a filter generation unit generating a filter for filtering candidate scenarios based on a frequency analysis result of analysis target data including the travel data showing the real environment scene; and an evaluation scenario determination unit determining an evaluation scenario by filtering the candidate scenarios comprehensively generated based on a mathematical model using the filter generated by the filter generation unit.
    Type: Application
    Filed: September 28, 2022
    Publication date: March 30, 2023
    Inventors: YUJI ISHIKAWA, MASAKAZU TAMURA
  • Patent number: 11585426
    Abstract: A power transmission device includes: a gear; a case receiving the gear; and a baffle plate positioned between the gear and the case; the baffle plate including a guide portion arranged to guide an oil scooped up by the gear, into between the baffle plate and the case, and the guide portion being disposed above an oil level within the case, the guide portion being adjacent to an axial side surface of the gear, the guide portion being positioned in the baffle plate on an upstream side in a rotation direction of the gear, and the guide portion including a first bent portion which is positioned on a tip end side, and which is bent in a direction from the case toward the gear.
    Type: Grant
    Filed: November 1, 2018
    Date of Patent: February 21, 2023
    Assignees: JATCO LTD, NISSAN MOTOR CO., LTD.
    Inventors: Tahei Toyoshima, Shingo Yamamoto, Kazuyuki Handa, Masaki Shibuya, Tomohiro Nagata, Masakazu Tamura, Atsuyuki Ide, Yasuyuki Horie, Hideyuki Mamiya, Akira Kakimi
  • Patent number: 11572943
    Abstract: A housing member for a power transmission device connected to a driving source via a torque converter housed in the housing member includes a torque converter side mating face closer to the torque converter. The torque converter side mating face has a single-wall structure and a double-wall structure, wherein two adjacent fastening regions are connected circumferentially by a wall in the single-wall structure, and wherein two adjacent fastening regions are connected circumferentially by each of two walls in the double-wall structure. The torque converter side mating face includes: an upper half region in which the double-wall structure has a greater proportion in area than the single-wall structure; and a lower half region in which the double-wall structure has a less proportion in area than the single-wall structure.
    Type: Grant
    Filed: September 25, 2019
    Date of Patent: February 7, 2023
    Assignees: JATCO LTD, NISSAN MOTOR CO., LTD.
    Inventors: Kazuya Numata, Yuuki Sakai, Yusuke Ienaka, Kazuhiro Nishimura, Tatsuya Kumagai, Masakazu Tamura
  • Patent number: 11441667
    Abstract: A continuously variable transmission includes a variator having a belt wound around a pair of pulleys, and a case forming a container chamber for the variator. The pulleys include fixed pulleys and movable pulleys. The belt includes elements stacked to be arranged in an annular form, and rings binding the element stacked. A circumference wall portion of the case is provided with a monitoring hole enabling flank faces of the elements to be monitored.
    Type: Grant
    Filed: December 6, 2018
    Date of Patent: September 13, 2022
    Assignee: JATCO LTD
    Inventors: Kazuyoshi Kobayashi, Masao Arimatsu, Masayuki Furuya, Kenichi Yamamoto, Shogo Fujii, Masakazu Tamura, Kazuya Numata, Hirohisa Yukawa
  • Publication number: 20220106384
    Abstract: A novel peptide which comprises an amino acid sequence represented by SEQ ID NO: 23, and specifically inhibits the protease activity of a target molecule.
    Type: Application
    Filed: November 22, 2021
    Publication date: April 7, 2022
    Applicant: Daiichi Sankyo Company, Limited
    Inventors: Daisuke Nishimiya, Masakazu Tamura
  • Patent number: 11208467
    Abstract: A novel peptide which comprises an amino acid sequence represented by SEQ ID NO: 23, and specifically inhibits the protease activity of a target molecule.
    Type: Grant
    Filed: September 6, 2018
    Date of Patent: December 28, 2021
    Assignee: Daiichi Sankyo Company, Limited
    Inventors: Daisuke Nishimiya, Masakazu Tamura
  • Publication number: 20210348681
    Abstract: A housing member for a power transmission device connected to a driving source via a torque converter housed in the housing member includes a torque converter side mating face closer to the torque converter. The torque converter side mating face has a single-wall structure and a double-wall structure, wherein two adjacent fastening regions are connected circumferentially by a wall in the single-wall structure, and wherein two adjacent fastening regions are connected circumferentially by each of two walls in the double-wall structure. The torque converter side mating face includes: an upper half region in which the double-wall structure has a greater proportion in area than the single-wall structure; and a lower half region in which the double-wall structure has a less proportion in area than the single-wall structure.
    Type: Application
    Filed: September 25, 2019
    Publication date: November 11, 2021
    Applicants: JATCO Ltd, NISSAN MOTOR CO., LTD.
    Inventors: Kazuya NUMATA, Yuuki SAKAI, Yusuke IENAKA, Kazuhiro NISHIMURA, Tatsuya KUMAGAI, Masakazu TAMURA
  • Patent number: 10907724
    Abstract: A driving force transmission device includes: a gear; a case receiving the gear; a baffle plate positioned between a side surface of the gear and the case, the baffle plate including a downstream side end portion positioned at a most downstream position in a rotation direction of the gear, the case including a rib protruding toward the downstream side end portion, a clearance positioned between a surface of the rib and a surface of the baffle plate, the rib including a linear portion crossing a rotation direction of the gear.
    Type: Grant
    Filed: November 1, 2018
    Date of Patent: February 2, 2021
    Assignees: JATCO LTD, NISSAN MOTOR CO., LTD.
    Inventors: Mitsuhiro Akiyama, Shogo Fujii, Tahei Toyoshima, Masakazu Tamura
  • Publication number: 20200347924
    Abstract: A continuously variable transmission includes a variator having a belt wound around a pair of pulleys, and a case forming a container chamber for the variator. The pulleys include fixed pulleys and movable pulleys. The belt includes elements stacked to be arranged in an annular form, and rings binding the element stacked. A circumference wall portion of the case is provided with a monitoring hole enabling flank faces of the elements to be monitored.
    Type: Application
    Filed: December 6, 2018
    Publication date: November 5, 2020
    Applicant: JATCO Ltd
    Inventors: Kazuyoshi KOBAYASHI, Masao ARIMATSU, Masayuki FURUYA, Kenichi YAMAMOTO, Shogo FUJII, Masakazu TAMURA, Kazuya NUMATA, Hirohisa YUKAWA
  • Publication number: 20200263781
    Abstract: A driving force transmission device includes: a gear; a case receiving the gear; a baffle plate positioned between a side surface of the gear and the case, the baffle plate including a downstream side end portion positioned at a most downstream position in a rotation direction of the gear, the case including a rib protruding toward the downstream side end portion, a clearance positioned between a surface of the rib and a surface of the baffle plate, the rib including a linear portion crossing a rotation direction of the gear.
    Type: Application
    Filed: November 1, 2018
    Publication date: August 20, 2020
    Applicants: JATCO Ltd, NISSAN MOTOR CO., LTD.
    Inventors: Mitsuhiro AKIYAMA, Shogo FUJII, Tahei TOYOSHIMA, Masakazu TAMURA
  • Publication number: 20200263782
    Abstract: A power transmission device includes: a gear; a case receiving the gear; and a baffle plate positioned between the gear and the case; the baffle plate including a guide portion arranged to guide an oil scooped up by the gear, into between the baffle plate and the case, and the guide portion being disposed above an oil level within the case, the guide portion being adjacent to an axial side surface of the gear, the guide portion being positioned in the baffle plate on an upstream side in a rotation direction of the gear, and the guide portion including a first bent portion which is positioned on a tip end side, and which is bent in a direction from the case toward the gear.
    Type: Application
    Filed: November 1, 2018
    Publication date: August 20, 2020
    Applicants: JATCO Ltd, NISSAN MOTOR CO., LTD.
    Inventors: Tahei TOYOSHIMA, Shingo YAMAMOTO, Kazuyuki HANDA, Masaki SHIBUYA, Tomohiro NAGATA, Masakazu TAMURA, Atsuyuki IDE, Yasuyuki HORIE, Hideyuki MAMIYA, Akira KAKIMI
  • Patent number: 10731159
    Abstract: The present invention provides a compound represented by the formula (Ia) as a novel cationic lipid that forms a lipid particle and also provides a lipid particle comprising the compound. The present invention further provides a nucleic acid lipid particle containing the lipid particle, and a pharmaceutical composition containing the nucleic acid lipid particle as an active ingredient.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: August 4, 2020
    Assignee: DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Makoto Koizumi, Yoshiyuki Onishi, Takako Niwa, Masakazu Tamura, Yuji Kasuya
  • Publication number: 20200207837
    Abstract: The present invention provides a novel peptide which comprises an amino acid sequence represented by SEQ ID NO: 23, and specifically inhibits the protease activity of a target molecule.
    Type: Application
    Filed: September 6, 2018
    Publication date: July 2, 2020
    Applicant: Daiichi Sankyo Company, Limited
    Inventors: Daisuke Nishimiya, Masakazu Tamura
  • Publication number: 20200080086
    Abstract: The present invention provides a compound represented by the formula (Ia) as a novel cationic lipid that forms a lipid particle and also provides a lipid particle comprising the compound. The present invention further provides a nucleic acid lipid particle containing the lipid particle, and a pharmaceutical composition containing the nucleic acid lipid particle as an active ingredient.
    Type: Application
    Filed: November 22, 2019
    Publication date: March 12, 2020
    Inventors: Makoto KOIZUMI, Yoshiyuki ONISHI, Takako NIWA, Masakazu TAMURA, Yuji KASUYA
  • Patent number: 10533176
    Abstract: The present invention provides a compound represented by the formula (Ia) as a novel cationic lipid that forms a lipid particle and also provides a lipid particle comprising the compound. The present invention further provides a nucleic acid lipid particle containing the lipid particle, and a pharmaceutical composition containing the nucleic acid lipid particle as an active ingredient.
    Type: Grant
    Filed: October 30, 2017
    Date of Patent: January 14, 2020
    Assignee: DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Makoto Koizumi, Yoshiyuki Onishi, Takako Niwa, Masakazu Tamura, Yuji Kasuya
  • Publication number: 20180051285
    Abstract: The present invention provides a compound represented by the formula (Ia) as a novel cationic lipid that forms a lipid particle and also provides a lipid particle comprising the compound. The present invention further provides a nucleic acid lipid particle containing the lipid particle, and a pharmaceutical composition containing the nucleic acid lipid particle as an active ingredient.
    Type: Application
    Filed: October 30, 2017
    Publication date: February 22, 2018
    Inventors: Makoto KOIZUMI, Yoshiyuki ONISHI, Takako NIWA, Masakazu TAMURA, Yuji KASUYA