Patents by Inventor Sinichi Otani

Sinichi Otani 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).

  • Image drum cartridge
    Patent number: D450344
    Type: Grant
    Filed: July 28, 2000
    Date of Patent: November 13, 2001
    Assignee: Oki Data Corporation
    Inventors: Junichi Ito, Sinichi Otani, Atsushi Kobayashi, Yoshiharu Momiyama, Shigeki Nakajima
  • Toner cartridge
    Patent number: D450752
    Type: Grant
    Filed: July 28, 2000
    Date of Patent: November 20, 2001
    Assignee: Oki Data Corporation
    Inventors: Junichi Ito, Sinichi Otani, Atsushi Kobayashi, Yoshiharu Momiyama, Shigeki Nakajima
  • Toner cartridge
    Patent number: D451539
    Type: Grant
    Filed: July 28, 2000
    Date of Patent: December 4, 2001
    Assignee: Oki Data Corporation
    Inventors: Junichi Ito, Sinichi Otani, Atsushi Kobayashi, Yoshiharu Momiyama, Shigeki Nakajima
  • Image drum cartridge
    Patent number: D462379
    Type: Grant
    Filed: July 28, 2000
    Date of Patent: September 3, 2002
    Assignee: Oki Data Corporation
    Inventors: Junichi Ito, Sinichi Otani, Atsushi Kobayashi, Yoshiharu Momiyama, Shigeki Nakajima
  • Image drum cartridge
    Patent number: D410676
    Type: Grant
    Filed: November 19, 1997
    Date of Patent: June 8, 1999
    Assignee: Oki Data Corporation
    Inventors: Atsushi Kurabayashi, Sinichi Otani, Yoshiharu Momiyama