Masashi Nagai

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for preparing sulphostin and analogue thereof or preparation...
- Patent number 7,531,657
- Issue date May 12, 2009
- Nippon Kayaku Kabushiki Kaisha
- Masashi Nagai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
α-Amino-N-(diaminophosphinyl)lactam derivatives
- Patent number 7,348,318
- Issue date Mar 25, 2008
- Nippon Kayaku Kabushiki Kaisha
- Masatoshi Abe
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Process for producing novel naphthyridine derivatives
- Patent number 6,433,174
- Issue date Aug 13, 2002
- Nippon Kayaku Kabushiki Kaisha
- Yoshitaka Satoh
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Compound having effect of promoting neuron differentiation
- Patent number 6,384,063
- Issue date May 7, 2002
- Nippon Kayaku Kabushiki Kaisha
- Seiichi Saito
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing optically active cyclobutylamines
- Patent number 5,166,397
- Issue date Nov 24, 1992
- Nippon Kayaku Kabushiki Kaisha
- Kazuhisa Narita
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Novel $g(a)-amino-n-(diaminophosphinyl) lactam derivative
- Publication number 20050164989
- Publication date Jul 28, 2005
- Masatoshi Abe
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Method for preparation of sulphostin and its analogue or intermedia...
- Publication number 20050020834
- Publication date Jan 27, 2005
- Masashi Nagai
- C07 - ORGANIC CHEMISTRY