Hitoshi Ishizuka

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Ibaraki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing guanidine derivatives, intermediates therefor...
- Patent number 6,166,215
- Issue date Dec 26, 2000
- Takeda Chemical Industries, Ltd.
- Hideki Uneme
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing guanidine derivatives, intermediates therefor...
- Patent number 6,008,363
- Issue date Dec 28, 1999
- Takeda Chemical Industries, Ltd.
- Hideki Uneme
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Substituted guanidine derivatives, their preparation and use
- Patent number 5,256,679
- Issue date Oct 26, 1993
- Takeda Chemical Industries, Ltd.
- Isao Minamida
- C07 - ORGANIC CHEMISTRY