Shigeyuki Yokoyama

Person

  • Shizuoka, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Adhesive tapes

    • Patent number 5,891,566
    • Issue date Apr 6, 1999
    • Tomoegawa Paper Co., Ltd.
    • Yukinori Sakumoto
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Adhesive tapes

    • Patent number 5,824,182
    • Issue date Oct 20, 1998
    • Tomoegawa Paper Co., Ltd.
    • Yukinori Sakumoto
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Adhesive tapes

    • Patent number 5,683,806
    • Issue date Nov 4, 1997
    • Tomoegawa Paper Co., Ltd.
    • Yukinori Sakumoto
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Adhesive tapes

    • Patent number 5,277,972
    • Issue date Jan 11, 1994
    • Tomoegawa Paper Co., Ltd.
    • Yukinori Sakumoto
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Adhesive tapes and semiconductor devices

    • Patent number 5,091,251
    • Issue date Feb 25, 1992
    • Tomoegawa Paper Co., Ltd.
    • Yukinori Sakumoto
    • B32 - LAYERED PRODUCTS