Patents by Inventor Haruo Ohba

Haruo Ohba 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).

  • Optical disc cartridge
    Patent number: D325468
    Type: Grant
    Filed: December 10, 1987
    Date of Patent: April 21, 1992
    Assignee: Sony Corporation
    Inventor: Haruo Ohba
  • Speaker box
    Patent number: D360636
    Type: Grant
    Filed: May 20, 1994
    Date of Patent: July 25, 1995
    Assignee: Sony Corporation
    Inventors: Osamu Sasago, Haruo Ohba
  • Portable carrying grip with belt
    Patent number: D367756
    Type: Grant
    Filed: June 20, 1994
    Date of Patent: March 12, 1996
    Assignee: Sony Corporation
    Inventors: Haruo Ohba, Tomoyuki Shudo
  • Tape player
    Patent number: D370912
    Type: Grant
    Filed: June 20, 1994
    Date of Patent: June 18, 1996
    Assignee: Sony Corporation
    Inventors: Haruo Ohba, Tomoyuki Shudo
  • Combined digital audio disk player, tuner and tape recorder
    Patent number: D380756
    Type: Grant
    Filed: October 17, 1995
    Date of Patent: July 8, 1997
    Assignee: Sony Corporation
    Inventor: Haruo Ohba
  • Speaker box
    Patent number: D381988
    Type: Grant
    Filed: September 14, 1995
    Date of Patent: August 5, 1997
    Assignee: Sony Corporation
    Inventor: Haruo Ohba