Tadashi Hanaoka

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Osaka, JA

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Patents Grantslast 30 patents

Information Patent Grant
.alpha.-Alkylsulfobenzyl penicillins
- Patent number 4,057,544
- Issue date Nov 8, 1977
- Takeda Chemical Industries, Ltd.
- Keiichi Sugimoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
d-.alpha.-Isobutylsulfobenzylpenicillin hemi-solvate crystals
- Patent number 4,048,158
- Issue date Sep 13, 1977
- Takeda Chemical Industries, Ltd.
- Keiichi Sugimoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing alpha-sulfophenylacetic acid derivatives
- Patent number 4,026,940
- Issue date May 31, 1977
- Takeda Chemical Industries, Ltd.
- Keiichi Sugimoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing .alpha.-sulfophenylacetic acid derivatives
- Patent number 3,954,826
- Issue date May 4, 1976
- Takeda Chemical Industries, Ltd.
- Keiichi Sugimoto
- C07 - ORGANIC CHEMISTRY