Patents by Inventor Akiyoshi Tanizawa

Akiyoshi Tanizawa 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 unit for copying machine
    Patent number: D308696
    Type: Grant
    Filed: March 15, 1988
    Date of Patent: June 19, 1990
    Assignee: Mita Industrial Co., Ltd.
    Inventors: Akiyoshi Tanizawa, Junichi Takamatsu, Kazunori Akiyama
  • Sorter
    Patent number: D309631
    Type: Grant
    Filed: November 30, 1987
    Date of Patent: July 31, 1990
    Assignee: Mita Industrial Co., Ltd.
    Inventors: Akiyoshi Tanizawa, Masahiro Murakami
  • Auto document feeder
    Patent number: D319072
    Type: Grant
    Filed: June 14, 1989
    Date of Patent: August 13, 1991
    Assignee: Mita Industrial Co., Ltd.
    Inventors: Akiyoshi Tanizawa, Yasushi Kamezaki, Kazushi Takimoto
  • Computer peripheral equipment printer
    Patent number: D324540
    Type: Grant
    Filed: August 28, 1989
    Date of Patent: March 10, 1992
    Assignee: Mita Industrial Co., Ltd.
    Inventors: Akiyoshi Tanizawa, Eiji Tsutsui
  • Facsimile machine
    Patent number: D332606
    Type: Grant
    Filed: January 9, 1991
    Date of Patent: January 19, 1993
    Assignee: Mita Industrial Co., Ltd.
    Inventors: Akiyoshi Tanizawa, Yuji Abe