Hirofumi Kamiishi

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for the production of polyethylene materials
- Patent number 5,026,511
- Issue date Jun 25, 1991
- Nippon Oil Co., Ltd.
- Akira Sano
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process for producing highly oriented polyethylene material
- Patent number 5,002,714
- Issue date Mar 26, 1991
- Nippon Oil Co., Ltd.
- Akira Sano
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Production of polyethylene materials having improved strength and m...
- Patent number 4,996,011
- Issue date Feb 26, 1991
- Nippon Oil Co., Ltd.
- Akira Sano
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process for preparing polyolefins
- Patent number 4,537,938
- Issue date Aug 27, 1985
- Nippon Oil Company, Limited
- Kazuo Matsuura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...