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Cheng-Jih Li

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  • Hopkinton, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Manufacturing razor blades
    • Patent number 8,607,667
    • Issue date Dec 17, 2013
    • The Gillette Company
    • Cheng-Jih Li
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Manufacturing razor blades
    • Patent number 8,061,237
    • Issue date Nov 22, 2011
    • The Gillette Company
    • Stephen F. Hobbs
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Manufacturing razor blades
    • Patent number 7,578,217
    • Issue date Aug 25, 2009
    • The Gillette Company
    • Stephen F. Hobbs
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

  • Information Patent Application

    Manufacturing razor blades
    • Publication number 20070163390
    • Publication date Jul 19, 2007
    • Stephen F. Hobbs
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Manufacturing razor blades
    • Publication number 20070089567
    • Publication date Apr 26, 2007
    • Cheng-Jih Li
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Manufacturing razor blades
    • Publication number 20070089568
    • Publication date Apr 26, 2007
    • Stephen F. Hobbs
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Shaving razors
    • Publication number 20060272460
    • Publication date Dec 7, 2006
    • Cheng-Jih Li
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING