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Shiraishi Takeichi

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Patents Grantslast 30 patents

  • Information Patent Grant

    Process for preparing polyolefins
    • Patent number 6,486,275
    • Issue date Nov 26, 2002
    • Nippon Mitsubishi Oil Corporation
    • Akira Sano
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for preparing polyolefins
    • Patent number 5,804,679
    • Issue date Sep 8, 1998
    • Nippon Oil Company, Limited
    • Akira Sano
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for producing polyethylene material of high strength and hi...
    • Patent number 5,756,660
    • Issue date May 26, 1998
    • Nippon Oil Company, Limited
    • Takeichi Shiraishi
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Process for preparing polyolefins
    • Patent number 5,644,008
    • Issue date Jul 1, 1997
    • Nippon Oil Company, Limited
    • Akira Sano
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for preparing polyolefins
    • Patent number 5,541,271
    • Issue date Jul 30, 1996
    • Nippon Oil Company, Limited
    • Akira Sano
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Catalyst for preparing polyolefins
    • Patent number 5,506,183
    • Issue date Apr 9, 1996
    • Nippon Oil Company, Limited
    • Akira Sano
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for preparing polyolefins
    • Patent number 5,463,001
    • Issue date Oct 31, 1995
    • Nippon Oil Company, Limited
    • Akira Sano
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for preparing polyolefins
    • Patent number 5,369,193
    • Issue date Nov 29, 1994
    • Nippon Oil Company, Limited
    • Akira Sano
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for preparing ethylene polymers or copolymers
    • Patent number 5,266,666
    • Issue date Nov 30, 1993
    • Nippon Oil Company, Limited
    • Hirohumi Kamiishi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for preparing ultra-high molecular weight polyethylene
    • Patent number 4,962,167
    • Issue date Oct 9, 1990
    • Nippon Oil Company, Limited
    • Takeichi Shiraishi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Carrier for olefin polymerization catalyst
    • Patent number 4,450,243
    • Issue date May 22, 1984
    • Nippon Oil Company, Limited
    • Kazuo Matsuura
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Olefin polymerizing catalyst
    • Patent number 4,396,534
    • Issue date Aug 2, 1983
    • Nippon Oil Company, Limited
    • Kazuo Matsuura
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for preparing polyolefins
    • Patent number 4,315,999
    • Issue date Feb 16, 1982
    • Nippon Oil Company, Limited
    • Kazuo Matsuura
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for preparing polyolefins
    • Patent number 4,252,929
    • Issue date Feb 24, 1981
    • Nippon Oil Company, Ltd.
    • Nobuyuki Kuroda
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for the production of polyolefins
    • Patent number 4,209,602
    • Issue date Jun 24, 1980
    • Nippon Oil Company, Limited
    • Nobuyuki Kuroda
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for the production of polyolefins
    • Patent number 4,209,601
    • Issue date Jun 24, 1980
    • Nippon Oil Company, Limited
    • Nobuyuki Kuroda
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for the production of polyolefins
    • Patent number 4,202,953
    • Issue date May 13, 1980
    • Nippon Oil Co., Ltd.
    • Kazuo Matsuura
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

  • Information Patent Application

    Process for preparing polyolefins
    • Publication number 20020013434
    • Publication date Jan 31, 2002
    • Akira Sano
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...