TREA

Yoshihiko Oya

Follow

Person

  • Kariya, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Method for producing filter element
    • Patent number 5,240,540
    • Issue date Aug 31, 1993
    • Nippondenso Co., Ltd.
    • Noriya Matsumoto
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Filter element and manufacture method thereof
    • Patent number 5,049,326
    • Issue date Sep 17, 1991
    • Nippondenso Co., Ltd.
    • Noriya Matsumoto
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter element and manufacture method thereof
    • Patent number 5,002,666
    • Issue date Mar 26, 1991
    • Nippondenso Co., Ltd.
    • Noriya Matsumoto
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL