Masatoshi Kawashima

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Processes for producing secondary phosphines
- Patent number 6,084,133
- Issue date Jul 4, 2000
- Kankyo Kagaku Center Co., Ltd.
- Masatoshi Kawashima
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Optical resolution method
- Patent number 5,510,520
- Issue date Apr 23, 1996
- Kankyo Kagaku Center Co., Ltd.
- Masatoshi Kawashima
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Optical resolution method
- Patent number 5,395,962
- Issue date Mar 7, 1995
- Kankyo Kagaku Center Co., Ltd.
- Masatoshi Kawashima
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
5-fluoro-3,4-dihydro-2,4-dioxo-N-(3-indolyl)-1(2H)-pyrimidinecarbox...
- Patent number 4,792,607
- Issue date Dec 20, 1988
- Chisso Corporation
- Ryo Yoshizawa
- C07 - ORGANIC CHEMISTRY