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Takao Omiya

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  • Tochigi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Synchronizer ring
    • Patent number 6,261,389
    • Issue date Jul 17, 2001
    • Nippon Piston Ring Co., Ltd.
    • Yoshikatsu Nakamura
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Synchronizer ring
    • Patent number 5,861,565
    • Issue date Jan 19, 1999
    • Nippon Piston Ring Co., Ltd.
    • Takao Omiya
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Synchronizer ring
    • Patent number 5,370,725
    • Issue date Dec 6, 1994
    • Nippon Piston Ring Co., Ltd.
    • Osamu Kawamura
    • B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

  • Information Patent Application

    Sliding member
    • Publication number 20020197504
    • Publication date Dec 26, 2002
    • Hiroyuki Takamura
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...