Kazutomo Takahashi

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for production of aqueous dispersion of long-chain alkyl gra...
- Patent number 5,484,841
- Issue date Jan 16, 1996
- Nippon Shokubai Kagaku Kogyo Co., Ltd.
- Kazuo Kodama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Amphoteric polyelectrolyte, method for production thereof, and orga...
- Patent number 5,284,909
- Issue date Feb 8, 1994
- Nippon Shokubai Kagaku Kogyo Co., Ltd.
- Kazutomo Takahashi
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Additive for production of paper
- Patent number 5,252,184
- Issue date Oct 12, 1993
- Nippon Shokubai Kagaku Kogyo Co., Ltd.
- Yasumasa Tanaka
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Amphoteric polyelectrolite, method for production thereof, and orga...
- Patent number 5,194,515
- Issue date Mar 16, 1993
- Nippon Shokubai Kagaku Kogyo Co., Ltd.
- Kazutomo Takahashi
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Adhesive composition
- Patent number 4,806,577
- Issue date Feb 21, 1989
- Nippon Shokubai Kagaku Kogyo Co., Ltd.
- Kazutomo Takahashi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...