Patents by Inventor Tatsuya Yasui

Tatsuya Yasui 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).

  • Two-cylinder rotary compressor with mufflers
    Patent number: 11885330
    Abstract: A lower end plate cover is provided with a bulging portion. In a circumferential direction of a rotary shaft, a plurality of bolt holes includes a first bolt hole arranged between a distal end portion and a proximal end portion of the lower discharge valve, a second bolt hole arranged in a position adjacent to the first bolt hole on a side close to a lower vane groove with respect to the first bolt hole, and a third bolt hole arranged in a position adjacent to the first bolt hole on a side away from the lower vane groove with respect to the first bolt hole. When the bulging portion is divided into a first bulging portion and a second bulging portion using a first straight line, the first bulging portion is larger than the second bulging portion.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: January 30, 2024
    Assignee: FUJITSU GENERAL LIMITED
    Inventors: Tatsuya Yasui, Kenshi Ueda, Naoto Tada
  • ROTARY COMPRESSOR
    Publication number: 20230080650
    Abstract: A lower end plate cover is provided with a bulging portion. In a circumferential direction of a rotary shaft, a plurality of bolt holes includes a first bolt hole arranged between a distal end portion and a proximal end portion of the lower discharge valve, a second bolt hole arranged in a position adjacent to the first bolt hole on a side close to a lower vane groove with respect to the first bolt hole, and a third bolt hole arranged in a position adjacent to the first bolt hole on a side away from the lower vane groove with respect to the first bolt hole. When the bulging portion is divided into a first bulging portion and a second bulging portion using a first straight line, the first bulging portion is larger than the second bulging portion.
    Type: Application
    Filed: September 30, 2020
    Publication date: March 16, 2023
    Applicant: FUJITSU GENERAL LIMITED
    Inventors: Tatsuya YASUI, Kenshi UEDA, Naoto TADA
  • Magnetic toner for MICR printer
    Patent number: 5976748
    Abstract: A magnetic toner for a MICR printer containing a binder resin and a magnetic powder is prepared in such a way that the magnetic powder includes a first magnetic powder having a residual magnetization value within a range of 24 to 40 emu/g and a second magnetic powder having a residual magnetization value within a range of 1 to 24 emu/g (but exclusive of 24 m.sup.2 /g) and that the residual magnetization value of the magnetic toner for a MICR printer is within a range of 7.0 to 20 emu/g (but exclusive of 7.0 emu/g).
    Type: Grant
    Filed: November 3, 1998
    Date of Patent: November 2, 1999
    Assignee: Kyocera Corporation
    Inventors: Takaaki Arai, Tatsuya Yasui, Hiroaki Moriyama