Yoshiyuki Hirokawa

Person

  • Hikone, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Coating composition for lubrication

    • Patent number 5,427,698
    • Issue date Jun 27, 1995
    • Takata Corporation
    • Yoshiyuki Hirokawa
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Surface coating member

    • Patent number 5,376,454
    • Issue date Dec 27, 1994
    • Takata Corporation
    • Takamasa Sugasawa
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...