TREA

Kazufumi Yamaji

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  • Kumage-gun, 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

    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...

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