TREA

Kentaro Masai

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  • Kudamatsu, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Railway car
    • Patent number 6,871,599
    • Issue date Mar 29, 2005
    • Hitachi, Ltd.
    • Sumio Okuno
    • B61 - RAILWAYS
  • Information Patent Grant

    Railway car
    • Patent number 6,651,567
    • Issue date Nov 25, 2003
    • Hitachi, Ltd.
    • Michifumi Takeichi
    • B61 - RAILWAYS
  • Information Patent Grant

    Car body
    • Patent number 6,550,397
    • Issue date Apr 22, 2003
    • Hitachi, Ltd.
    • Takeshi Kawasaki
    • B61 - RAILWAYS
  • Information Patent Grant

    Car body
    • Patent number 6,394,000
    • Issue date May 28, 2002
    • Hitachi, Ltd.
    • Takeshi Kawasaki
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Car body of railway rolling stock and method for fabricating car body
    • Patent number 5,287,814
    • Issue date Feb 22, 1994
    • Hitachi, Ltd.
    • Kentaro Masai
    • B61 - RAILWAYS
  • Information Patent Grant

    Method of fixing inside panel of car and structure for fixing the same
    • Patent number 5,188,039
    • Issue date Feb 23, 1993
    • Hitachi, Ltd.
    • Keiji Ohmura
    • B61 - RAILWAYS

Patents Applicationslast 30 patents

  • Information Patent Application

    Railway car
    • Publication number 20040139879
    • Publication date Jul 22, 2004
    • Sumio Okuno
    • B61 - RAILWAYS
  • Information Patent Application

    Railway car
    • Publication number 20020157564
    • Publication date Oct 31, 2002
    • Sumio Okuno
    • B61 - RAILWAYS
  • Information Patent Application

    Car body
    • Publication number 20020108531
    • Publication date Aug 15, 2002
    • Takeshi Kawasaki
    • B61 - RAILWAYS
  • Information Patent Application

    Railway car
    • Publication number 20020029721
    • Publication date Mar 14, 2002
    • Michifumi Takeichi
    • B61 - RAILWAYS