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Motonobu Onoda

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Patents Grantslast 30 patents

  • Information Patent Grant

    Nitride-plated piston ring for internal combustion engines
    • Patent number 6,631,907
    • Issue date Oct 14, 2003
    • Nippon Piston Ring Co., Ltd.
    • Motonobu Onoda
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Sliding member
    • Patent number 6,315,840
    • Issue date Nov 13, 2001
    • Nippon Piston Ring Co., Ltd.
    • Motonobu Onoda
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Laminated chromium plating layers having superior wear resistance a...
    • Patent number 6,296,951
    • Issue date Oct 2, 2001
    • Nippon Piston Ring Co., Ltd.
    • Yukio Tateishi
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Combination of piston ring for use in internal combustion engine
    • Patent number 6,270,081
    • Issue date Aug 7, 2001
    • Nippon Piston Ring Co., Ltd.
    • Motonobu Onoda
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Sliding member
    • Patent number 6,139,984
    • Issue date Oct 31, 2000
    • Nippon Piston Ring Co., Ltd.
    • Motonobu Onoda
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Method of making a magnetic material in the form of a multilayer fi...
    • Patent number 5,552,030
    • Issue date Sep 3, 1996
    • Nippon Piston Ring Co., Ltd.
    • Kazuo Shimizu
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Piston ring
    • Patent number 5,531,195
    • Issue date Jul 2, 1996
    • Nippon Piston Ring Co., Ltd.
    • Motonobu Onoda
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Composite plating bath
    • Patent number 5,124,007
    • Issue date Jun 23, 1992
    • Nippon Piston Ring Co., Ltd.
    • Takeji Tsuchiya
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Piston ring having nitriding layer and composite Ni-B plating layer
    • Patent number 5,104,132
    • Issue date Apr 14, 1992
    • Nippon Piston Ring Co., Ltd.
    • Motonobu Onoda
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents