Toshio Yamamoto

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Suita, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for purification of 2-alkyl-4-halo-5-formylimidazoles
- Patent number 5,395,943
- Issue date Mar 7, 1995
- Nippon Gohsei Kagaku Kogyo Kabushiki Kaisha
- Toshio Yamamoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of producing formylimidazoles
- Patent number 5,336,779
- Issue date Aug 9, 1994
- Nippon Gohsei Kagaku Kogyo Kabushiki Kaisha
- Toshio Yamamoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing valproic acid
- Patent number 5,101,070
- Issue date Mar 31, 1992
- Nippon Gohsei Kagaku Kogyo Kabushiki Kaisha
- Toshio Yamamoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing 4-hydroxyphenylacetic acid
- Patent number 4,337,355
- Issue date Jun 29, 1982
- Nippon Gohsei Kagaku Kogyo Kabushiki Kaisha
- Kazuhisa Nakajima
- C07 - ORGANIC CHEMISTRY