Haruhiko Katoh

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Takarazuka, JP

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Patents Grantslast 30 patents

Information Patent Grant
5-Oxo-2,5-dihydro-1,2,4-triazines
- Patent number 4,451,283
- Issue date May 29, 1984
- Sumitomo Chemical Company, Limited
- Yuzuru Sanemitsu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
N'-Phenyl-N-methylurea derivatives
- Patent number 4,437,880
- Issue date Mar 20, 1984
- Sumitomo Chemical Company, Limited
- Junya Takahashi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3-Thiooxo-5-oxo-hexahydro-1,2,4-triazine and its production and use
- Patent number 4,361,437
- Issue date Nov 30, 1982
- Sumitomo Chemical Company, Limited
- Shunichi Hashimoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Herbicidal composition comprising triazinone compound
- Patent number 4,337,082
- Issue date Jun 29, 1982
- Sumitomo Chemical Company, Limited
- Shunichi Hashimoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Urea derivatives, and their production and use
- Patent number 4,334,912
- Issue date Jun 15, 1982
- Sumitomo Chemical Company, Limited
- Ryo Yoshida
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3,5-Dioxo-1,2,4-triazines
- Patent number 4,297,129
- Issue date Oct 27, 1981
- Sumitomo Chemical Company, Limited
- Yuzuru Sanemitsu
- C07 - ORGANIC CHEMISTRY