TREA

Masayuki Kashino

Follow

Person

  • Tokyo, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Key sheet
    • Patent number 6,967,056
    • Issue date Nov 22, 2005
    • Polymatech Co., Ltd.
    • Masayuki Kashino
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Key top and method of manufacture
    • Patent number 6,713,698
    • Issue date Mar 30, 2004
    • Polymatech Co., Ltd.
    • Masayuki Kashino
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Key top assembly integrated with a film
    • Patent number 6,659,666
    • Issue date Dec 9, 2003
    • Polymatech Co., Ltd.
    • Masayuki Kashino
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Key sheet
    • Patent number 6,607,812
    • Issue date Aug 19, 2003
    • Polymatech Co., Ltd.
    • Masaya Katori
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Film integrated key top
    • Patent number 6,455,796
    • Issue date Sep 24, 2002
    • Polymatech CP., Ltd.
    • Masayuki Kashino
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Manufacturing method for key tops
    • Patent number 5,820,809
    • Issue date Oct 13, 1998
    • Polymatech Co., Ltd.
    • Hiroshi Yajima
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    Key top
    • Publication number 20030183495
    • Publication date Oct 2, 2003
    • POLYMATECH CO., LTD.
    • Masayuki Kashino
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Key sheet
    • Publication number 20030108720
    • Publication date Jun 12, 2003
    • Masayuki Kashino
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Key top assembly integrated with a film
    • Publication number 20020025209
    • Publication date Feb 28, 2002
    • Masayuki Kashino
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Key sheet
    • Publication number 20010051254
    • Publication date Dec 13, 2001
    • Masaya katori
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Film integrated key top
    • Publication number 20010025777
    • Publication date Oct 4, 2001
    • Masayuki Kashino
    • H01 - BASIC ELECTRIC ELEMENTS