Patents by Inventor Kenichi OOISHI

Kenichi OOISHI 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).

  • Rotary actuator
    Patent number: 11519500
    Abstract: A rotary actuator is used in a shift-by-wire system for a vehicle. The actuator includes a motor, an output shaft, a speed reducer, and a case. The motor includes a motor shaft. The output shaft is disposed in parallel with the motor shaft. The case houses the motor and the speed reducer. The case includes an upper case that houses the motor and a lower case that houses the speed reducer. The speed reducer includes a first reducer that includes a ring gear embedded in a resin portion of the lower case and a parallel-shaft type second reducer that includes a drive gear on the motor shaft and a driven gear on the output shaft. The ring gear includes an annular gear portion and a cover that protrudes radially inward from one end of the annular gear portion.
    Type: Grant
    Filed: April 14, 2020
    Date of Patent: December 6, 2022
    Assignee: DENSO CORPORATION
    Inventors: Fumiya Kannou, Hiroyuki Kado, Mikine Kume, Kenichi Ooishi
  • ROTARY ACTUATOR
    Publication number: 20200332890
    Abstract: A rotary actuator is used in a shift-by-wire system for a vehicle. The actuator includes a motor, an output shaft, a speed reducer, and a case. The motor includes a motor shaft. The output shaft is disposed in parallel with the motor shaft. The case houses the motor and the speed reducer. The case includes an upper case that houses the motor and a lower case that houses the speed reducer. The speed reducer includes a first reducer that includes a ring gear embedded in a resin portion of the lower case and a parallel-shaft type second reducer that includes a drive gear on the motor shaft and a driven gear on the output shaft. The ring gear includes an annular gear portion and a cover that protrudes radially inward from one end of the annular gear portion.
    Type: Application
    Filed: April 14, 2020
    Publication date: October 22, 2020
    Inventors: Fumiya KANNOU, Hiroyuki KADO, Mikine KUME, Kenichi OOISHI