Yujiro Kiyoshima

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Oita, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing hexahydro-2-OXO-1H-thieno[3,4-D&#x0005...
- Patent number 6,333,417
- Issue date Dec 25, 2001
- Sumitomo Chemical Company, Limited
- Yujiro Kiyoshima
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for purifying O, S-dimethyl N-acetylphosphoramidothioate
- Patent number 5,684,174
- Issue date Nov 4, 1997
- Sumitomo Chemical Company, Limited
- Yoji Sakito
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing .alpha.-hydroxyiminophenylacetonitriles
- Patent number 5,629,442
- Issue date May 13, 1997
- Shionogi & Co., Ltd.
- Akira Takase
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for purifying O,S-dimethyl N-acetylphosphoramidothioate
- Patent number 5,616,769
- Issue date Apr 1, 1997
- Sumitomo Chemical Company, Limited
- Yoji Sakito
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing carboxylic acid derivatives
- Patent number 5,510,506
- Issue date Apr 23, 1996
- Shionogi & Co., Ltd.
- Akira Takase
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process of producing N-alkylacetamides
- Patent number 5,498,792
- Issue date Mar 12, 1996
- Shionogi & Co., Ltd.
- Katuhisa Masumoto
- C07 - ORGANIC CHEMISTRY