Patents by Inventor Tomonari Murakami

Tomonari Murakami 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).

  • Process for producing methacrylic polymer
    Patent number: 6632907
    Abstract: The present invention relates to a process for the production of methacrylic polymers which comprises the steps of, in one perfect mixing type reactor, effecting continuous bulk polymerization at a polymerization temperature of 110 to 160° C.
    Type: Grant
    Filed: October 30, 2000
    Date of Patent: October 14, 2003
    Assignee: Mitsubishi Rayon Co., Ltd.
    Inventors: Hirotoshi Mizota, Shigeaki Sasaki, Tomonari Murakami, Kouzi Ishizaka
  • IC recorder
    Patent number: D450309
    Type: Grant
    Filed: January 30, 2001
    Date of Patent: November 13, 2001
    Assignee: Sony Corporation
    Inventors: Daisuke Ishii, Tomonari Murakami
  • Disc player
    Patent number: D462942
    Type: Grant
    Filed: October 12, 2001
    Date of Patent: September 17, 2002
    Assignee: Sony Corporation
    Inventor: Tomonari Murakami
  • Combined tape player and receiver
    Patent number: D467568
    Type: Grant
    Filed: November 16, 2001
    Date of Patent: December 24, 2002
    Assignee: Sony Corporation
    Inventor: Tomonari Murakami
  • Combined disc recorder, radio receiver and tape recorder
    Patent number: D483345
    Type: Grant
    Filed: December 12, 2002
    Date of Patent: December 9, 2003
    Assignee: Sony Corporation
    Inventor: Tomonari Murakami
  • Speaker box
    Patent number: D483349
    Type: Grant
    Filed: October 29, 2002
    Date of Patent: December 9, 2003
    Assignee: Sony Corporation
    Inventor: Tomonari Murakami
  • Projector
    Patent number: D421269
    Type: Grant
    Filed: September 29, 1998
    Date of Patent: February 29, 2000
    Assignee: Sony Corporation
    Inventor: Tomonari Murakami
  • Recorder for magnetic tape
    Patent number: D431545
    Type: Grant
    Filed: July 30, 1999
    Date of Patent: October 3, 2000
    Assignee: Sony Corporation
    Inventor: Tomonari Murakami
  • Projector
    Patent number: D433049
    Type: Grant
    Filed: December 7, 1999
    Date of Patent: October 31, 2000
    Assignee: Sony Corporation
    Inventor: Tomonari Murakami
  • Video camera
    Patent number: D433694
    Type: Grant
    Filed: August 17, 1999
    Date of Patent: November 14, 2000
    Assignee: Sony Corporation
    Inventor: Tomonari Murakami