Tadashi Hanaoka

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Toyonaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Production method of aminobenzene compound
- Patent number 6,177,587
- Issue date Jan 23, 2001
- Takeda Chemical Industries, Ltd.
- Hideo Hashimoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing vitamin A derivatives
- Patent number 5,424,478
- Issue date Jun 13, 1995
- Takeda Chemical Industries, Ltd.
- Mitsutaka Tanaka
- C07 - ORGANIC CHEMISTRY