Katuhisa Masumoto

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Ibaraki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process of producing 2-iminothiazoline derivatives and process of p...
- Patent number 5,684,196
- Issue date Nov 4, 1997
- Sumitomo Chemical Co., Ltd.
- Katuhisa Masumoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process of producing 2-iminothiazoline derivatives and process of p...
- Patent number 5,648,533
- Issue date Jul 15, 1997
- Sumitomo Chemical Co., Ltd.
- Katuhisa Masumoto
- 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
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
Information Patent Grant
Process of producing 2-iminothiazoline derivatives and process of p...
- Patent number 5,463,069
- Issue date Oct 31, 1995
- Sumitomo Chemical Company, Limited
- Katuhisa Masumoto
- C07 - ORGANIC CHEMISTRY