TREA

Shinpei Ichikawa

Follow

Person

  • Lubbock, TX, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Case for an electronic calculator
    • Patent number D261005
    • Issue date Sep 29, 1981
    • Texas Instruments Incorporated
    • Shinpei Ichikawa
    • D18 - Printing and office machinery
  • Information Patent Grant

    Case for an electronic calculator
    • Patent number D259200
    • Issue date May 12, 1981
    • Texas Instruments Incorporated
    • Robert A. Welch
    • D18 - Printing and office machinery
  • Information Patent Grant

    Case for hand-held electronic calculator
    • Patent number D256370
    • Issue date Aug 12, 1980
    • Texas Instruments Incorporated
    • Shinpei Ichikawa
    • D18 - Printing and office machinery