Seiji Nagata

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Tsukuba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Ketonitrile derivatives and antibacterial agent and drugs containin...
- Patent number 5,968,977
- Issue date Oct 19, 1999
- Tokuyama Corporation
- Shozo Kato
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cyanoketone derivative and herbicide containing it as an active com...
- Patent number 5,629,265
- Issue date May 13, 1997
- Tokuyama Corporation
- Masahiko Ishizaki
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Carbonyl acetonitrile derivative and herbicide containing it as an...
- Patent number 5,234,894
- Issue date Aug 10, 1993
- Tokuyama Soda Kabushiki Kaisha
- Masahiko Ishizaki
- C07 - ORGANIC CHEMISTRY