TREA

Kenji Kawana

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  • Sumida-ku, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Buoyancy compensating jacket
    • Patent number 6,749,370
    • Issue date Jun 15, 2004
    • Tabata Co., Ltd.
    • Seishiro Urabe
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Diving jacket
    • Patent number 6,592,417
    • Issue date Jul 15, 2003
    • Tabata Co., Ltd.
    • Haruo Kawashima
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Diving jacket
    • Patent number 6,582,157
    • Issue date Jun 24, 2003
    • Tabata Co. Ltd.
    • Minoru Takeuchi
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Buoyancy regulator for diving
    • Patent number 6,579,138
    • Issue date Jun 17, 2003
    • Tabata Co., Ltd.
    • Haruo Kawashima
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Swim fins
    • Patent number 6,568,972
    • Issue date May 27, 2003
    • Tabata Co., Ltd.
    • Haruo Kawashima
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Diving jacket
    • Patent number 6,503,114
    • Issue date Jan 7, 2003
    • Tabata Co., Ltd.
    • Haruo Kawashima
    • A41 - WEARING APPAREL
  • Information Patent Grant

    Buoyancy compensator jacket for diver
    • Patent number 6,477,709
    • Issue date Nov 12, 2002
    • Tabata Co., Ltd.
    • Kenji Kawana
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Diving snorkel
    • Patent number 6,202,644
    • Issue date Mar 20, 2001
    • Tabata Co., Ltd.
    • Minoru Takeuchi
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Diving snorkel
    • Patent number 6,119,685
    • Issue date Sep 19, 2000
    • Tabata Co., Ltd.
    • Haruo Kawashima
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Snorkel with exhalation valve
    • Patent number 5,937,850
    • Issue date Aug 17, 1999
    • Tabata Co., Ltd.
    • Haruo Kawashima
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT

Patents Applicationslast 30 patents

  • Information Patent Application

    Diving jacket
    • Publication number 20030008576
    • Publication date Jan 9, 2003
    • Haruo Kawashima
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Application

    Buoyancy regulator for diving
    • Publication number 20020111096
    • Publication date Aug 15, 2002
    • Haruo Kawashima
    • A44 - HABERDASHERY JEWELLERY
  • Information Patent Application

    Diving jacket
    • Publication number 20020094734
    • Publication date Jul 18, 2002
    • Haruo Kawashima
    • A41 - WEARING APPAREL
  • Information Patent Application

    Swim fins
    • Publication number 20010016461
    • Publication date Aug 23, 2001
    • Haruo Kawashima
    • A63 - SPORTS GAMES AMUSEMENTS