Yoshihide Ishikawa

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Kakogawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Oil-soluble polyester, additive for lubricating oil, and lubricatin...
- Patent number 5,780,399
- Issue date Jul 14, 1998
- Nippon Zeon Co., Ltd.
- Yoshihide Ishikawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Oil-soluble polyester, additive for lubricating oil, and lubricatin...
- Patent number 5,723,417
- Issue date Mar 3, 1998
- Nippon Zeon Co., Ltd.
- Shizuo Kitahara
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Sizing agent composite for papermaking
- Patent number 5,399,660
- Issue date Mar 21, 1995
- Harima Chemicals, Inc.
- Sadayuki Uchida
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Size composition for papermaking
- Patent number 5,201,944
- Issue date Apr 13, 1993
- Harima Chemicals, Inc.
- Tomohiko Nakata
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of manufacturing aqueous fortified rosin dispersion
- Patent number 4,544,608
- Issue date Oct 1, 1985
- Harima Chemicals, Inc.
- Yasutaka Nishi
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE