Kazuhiko Fujikawa

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing aryloxy-substituted phosphazene derivatives
- Patent number 5,075,453
- Issue date Dec 24, 1991
- Nippon Soda Co., Ltd.
- Shinichiro Ueyama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing phosphonitrile compound having substituted hy...
- Patent number 4,864,048
- Issue date Sep 5, 1989
- Shin Nisso Kako Co., Ltd.
- Masaharu Kaneko
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of phosphonitrile chloride oligomer
- Patent number 4,795,621
- Issue date Jan 3, 1989
- Shin Nisso Kako Co., Ltd.
- Tetsuhiko Okamoto
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for purifying phosphonitrile chlorides
- Patent number 4,522,689
- Issue date Jun 11, 1985
- Shin Nisso Kako Co., Ltd.
- Hiroshi Tanino
- C01 - INORGANIC CHEMISTRY