Patents by Inventor Harumi Tatsugami

Harumi Tatsugami 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).

  • Electronic calculating machine
    Patent number: D259201
    Type: Grant
    Filed: May 4, 1979
    Date of Patent: May 12, 1981
    Assignee: Sharp Corporation
    Inventors: Masaji Sawada, Harumi Tatsugami
  • Digital watch
    Patent number: D261731
    Type: Grant
    Filed: November 8, 1979
    Date of Patent: November 10, 1981
    Assignee: Sharp Corporation
    Inventors: Masafumi Yamagami, Shigeaki Hayashi, Harumi Tatsugami
  • Digital watch
    Patent number: D261732
    Type: Grant
    Filed: November 8, 1979
    Date of Patent: November 10, 1981
    Assignee: Sharp Corporation
    Inventors: Masafumi Yamagami, Shigeaki Hayashi, Harumi Tatsugami
  • Digital watch
    Patent number: D261994
    Type: Grant
    Filed: November 8, 1979
    Date of Patent: November 24, 1981
    Assignee: Sharp Corporation
    Inventors: Masafumi Yamagami, Shigeaki Hayashi, Harumi Tatsugami
  • Electronic cash register
    Patent number: D264599
    Type: Grant
    Filed: February 27, 1980
    Date of Patent: May 25, 1982
    Assignee: Sharp Corporation
    Inventors: Junichi Sakamoto, Harumi Tatsugami
  • Key board for electronic cash register
    Patent number: D264600
    Type: Grant
    Filed: July 8, 1980
    Date of Patent: May 25, 1982
    Assignee: Sharp Corporation
    Inventors: Tsutomu Yamasaki, Harumi Tatsugami
  • Electronic cash register
    Patent number: D268420
    Type: Grant
    Filed: July 8, 1980
    Date of Patent: March 29, 1983
    Assignee: Sharp Corporation
    Inventors: Junichi Sakamoto, Harumi Tatsugami, Yoshihisa Ohie