Shuichi Akita

Person

  • Yokohama, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Process for preparation of rubber composition and rubber composition

    • Patent number 5,312,849
    • Issue date May 17, 1994
    • Nippon Zeon Co., Ltd.
    • Shuichi Akita
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Abrasion-resistant rubber compositions

    • Patent number 5,281,671
    • Issue date Jan 25, 1994
    • Nippon Zeon Co., Ltd.
    • Fumitoshi Suzuki
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Rubber compositions

    • Patent number 5,219,942
    • Issue date Jun 15, 1993
    • Nippon Zeon Co., Ltd.
    • Fumitoshi Suzuki
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Rubber composition and process for preparing same

    • Patent number 5,218,023
    • Issue date Jun 8, 1993
    • Nippon Zeon Co., Ltd.
    • Hiroyoshi Horikawa
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Rubber composition

    • Patent number 5,216,080
    • Issue date Jun 1, 1993
    • Nippon Zeon Co., Ltd.
    • Fumitoshi Suzuki
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Rubber composition for tire tread

    • Patent number 5,194,485
    • Issue date Mar 16, 1993
    • The Yokohama Rubber Co., Ltd.
    • Yasushi Kikuchi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Rubber composition

    • Patent number 5,115,006
    • Issue date May 19, 1992
    • Nippon Zeon Co., Ltd.
    • Hiroyuki Watanabe
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for preparation of diene type polymer rubber

    • Patent number 5,001,196
    • Issue date Mar 19, 1991
    • Nippon Zeon Co., Ltd.
    • Takafumi Kawanaka
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Rubber composition for tire tread

    • Patent number 4,929,679
    • Issue date May 29, 1990
    • Nippon Zeon Co., Ltd.
    • Shuichi Akita
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Vibration insulating rubber

    • Patent number 4,848,511
    • Issue date Jul 18, 1989
    • Nippon Zeon Co., Ltd.
    • Tetsuo Ohyama
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Rubber composition for tire tread

    • Patent number 4,677,165
    • Issue date Jun 30, 1987
    • The Yokohama Rubber Co., Ltd.
    • Yasushi Kikuchi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Process for modifying conjugated diene polymers

    • Patent number 4,647,625
    • Issue date Mar 3, 1987
    • Nippon Zeon Co., Ltd.
    • Mitsuyoshi Aonuma
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for making diene polymer rubbers

    • Patent number 4,616,069
    • Issue date Oct 7, 1986
    • Nippon Zeon Co., Ltd.
    • Hiroyuki Watanabe
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for making diene copolymer rubbers

    • Patent number 4,614,771
    • Issue date Sep 30, 1986
    • Nippon Zeon Co., Ltd.
    • Hiroyuki Watanabe
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Rubber composition for tire treads

    • Patent number 4,555,547
    • Issue date Nov 26, 1985
    • Nippon Zeon Co. Ltd.
    • Akio Ueda
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Rubber composition for tire treads

    • Patent number 4,555,548
    • Issue date Nov 26, 1985
    • Nippon Zeon Co. Ltd.
    • Akio Ueda
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Rubber composition

    • Patent number 4,550,142
    • Issue date Oct 29, 1985
    • Nippon Zeon Co. Ltd.
    • Shuichi Akita
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Rubber composition

    • Patent number 4,414,363
    • Issue date Nov 8, 1983
    • Nippon Zeon Co. Ltd.
    • Shuichi Akita
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for preparing rubber composition for tire treads

    • Patent number 4,321,168
    • Issue date Mar 23, 1982
    • Nippon Zeon Co., Ltd.
    • Akio Ueda
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Rubber composition for tire tread

    • Patent number 4,224,197
    • Issue date Sep 23, 1980
    • Nippon Zeon Co. Ltd.
    • Akio Ueda
    • B60 - VEHICLES IN GENERAL