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Hiroyuki Maruoka

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  • Yokohama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Buckle
    • Patent number 6,460,232
    • Issue date Oct 8, 2002
    • Nifco Inc.
    • Hiroyuki Maruoka
    • A44 - HABERDASHERY JEWELLERY
  • Information Patent Grant

    Container for small articles with hidden cover locking device
    • Patent number 5,893,478
    • Issue date Apr 13, 1999
    • Nifco Inc.
    • Hiroyuki Maruoka
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Glass plate holding device
    • Patent number 5,695,236
    • Issue date Dec 9, 1997
    • Nifco Inc.
    • Yoshikazu Banno
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Glass holder
    • Patent number 5,546,704
    • Issue date Aug 20, 1996
    • Nifco Inc.
    • Hiroyuki Maruoka
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Piston-cylinder type air damper
    • Patent number 5,165,324
    • Issue date Nov 24, 1992
    • Nifco Inc.
    • Hiroyuki Maruoka
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

  • Information Patent Application

    Buckle
    • Publication number 20010013159
    • Publication date Aug 16, 2001
    • Nifco Inc.
    • Hiroyuki Maruoka
    • A44 - HABERDASHERY JEWELLERY