Yasuhiro Takahashi

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Papermaking method
- Patent number 4,952,279
- Issue date Aug 28, 1990
- Nissan Chemical Industries Ltd.
- Hisao Ikeda
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Papermaking method
- Patent number 4,840,705
- Issue date Jun 20, 1989
- Nissan Chemical Industries Ltd.
- Hisao Ikeda
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Optically active bicyclo carboxylic acids and their derivatives
- Patent number 4,837,344
- Issue date Jun 6, 1989
- Nissan Chemical Industries Ltd.
- Katsuaki Miyaji
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
2-phenylpropionic acid esters, method for optical resolution thereo...
- Patent number 4,709,082
- Issue date Nov 24, 1987
- Nissan Chemical Industries, Ltd.
- Yasuhiro Takahashi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing D-.alpha.-(6-methoxy-2-naphtyl) propionic acid
- Patent number 4,611,088
- Issue date Sep 9, 1986
- Nissan Chemical Industries, Ltd.
- Yoshio Ohara
- C07 - ORGANIC CHEMISTRY