Patents by Inventor Masao Tsuji

Masao Tsuji 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).

  • Microbial process for producing cholanic acid derivatives
    Patent number: 4359529
    Abstract: A microbial process for producing a cholanic acid derivative of the formula: ##STR1## wherein X is ##STR2## or .dbd.O; and R is hydrogen, an alkali metal or an alkaline earth metal, which comprises cultivating a microbe which is capable of growing in a medium containing cholic acid or a salt thereof as a substrate to produce the cholanic acid derivative, selected from the genera Arthrobacter, Brevibacterium and Corynebacterium, in a culture medium containing the substrate and collecting the resulting derivative.
    Type: Grant
    Filed: July 30, 1980
    Date of Patent: November 16, 1982
    Assignee: Kuraray Co., Ltd.
    Inventors: Masao Tsuji, Yoshihiro Ichihara
  • Electric complexion brush
    Patent number: D245883
    Type: Grant
    Filed: April 26, 1976
    Date of Patent: September 27, 1977
    Assignee: North American Philips Corporation
    Inventors: Masao Tsuji, William J. Rakocy
  • Smoke detector
    Patent number: D246958
    Type: Grant
    Filed: May 20, 1976
    Date of Patent: January 17, 1978
    Assignee: North American Philips Corporation
    Inventors: William J. Rakocy, Masao Tsuji
  • Electric hair dryer
    Patent number: D247683
    Type: Grant
    Filed: April 26, 1976
    Date of Patent: April 4, 1978
    Assignee: North American Philips Corporation
    Inventors: William J. Rakocy, Masao Tsuji
  • Hamburger cooker
    Patent number: D248722
    Type: Grant
    Filed: April 26, 1976
    Date of Patent: August 1, 1978
    Assignee: North American Philips Corporation
    Inventor: Masao Tsuji
  • Food processor
    Patent number: D251407
    Type: Grant
    Filed: July 6, 1977
    Date of Patent: March 27, 1979
    Assignee: North American Philips Corporation
    Inventors: Masao Tsuji, William J. Rakocy
  • Coffee maker
    Patent number: D252003
    Type: Grant
    Filed: April 25, 1977
    Date of Patent: June 5, 1979
    Assignee: North American Philips Corporation
    Inventor: Masao Tsuji
  • Foldable handle hair dryer
    Patent number: D253012
    Type: Grant
    Filed: April 25, 1977
    Date of Patent: September 25, 1979
    Assignee: North American Philips Corporation
    Inventors: William J. Rakocy, Masao Tsuji
  • Coffee maker
    Patent number: D254646
    Type: Grant
    Filed: December 7, 1977
    Date of Patent: April 8, 1980
    Assignee: North American Philips Corporation
    Inventor: Masao Tsuji
  • Juicer
    Patent number: D254702
    Type: Grant
    Filed: April 22, 1977
    Date of Patent: April 15, 1980
    Assignee: North American Philips Corporation
    Inventors: Masao Tsuji, Ronald L. Muller
  • Ice cream maker
    Patent number: D254972
    Type: Grant
    Filed: December 7, 1977
    Date of Patent: May 13, 1980
    Assignee: North American Philips Corporation
    Inventors: William J. Rakocy, Masao Tsuji
  • Deep fryer
    Patent number: D256537
    Type: Grant
    Filed: October 3, 1977
    Date of Patent: August 26, 1980
    Assignee: North American Philips Corporation
    Inventors: William J. Rakocy, Masao Tsuji
  • Deep fryer
    Patent number: D257755
    Type: Grant
    Filed: December 7, 1977
    Date of Patent: January 6, 1981
    Assignee: North American Philips Corporation
    Inventors: William J. Rakocy, Masao Tsuji
  • Control panel for combination burglar and fire alarm unit
    Patent number: D258578
    Type: Grant
    Filed: July 10, 1978
    Date of Patent: March 17, 1981
    Assignee: North American Philips Corporation
    Inventor: Masao Tsuji
  • Carafe
    Patent number: D268319
    Type: Grant
    Filed: April 25, 1980
    Date of Patent: March 22, 1983
    Assignee: North American Philips Corporation
    Inventors: Paul J. Donoski, Bruce S. Gentilella, Masao Tsuji
  • Coffee maker
    Patent number: D268389
    Type: Grant
    Filed: April 25, 1980
    Date of Patent: March 29, 1983
    Assignee: North American Philips Corporation
    Inventors: Masao Tsuji, William J. Rakocy