Masafumi Shiraiwa

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Kawasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of 2,6-disubstituted benzothiophene com...
- Patent number 6,020,531
- Issue date Feb 1, 2000
- Teikoku Hormone Mfg. Co., Ltd.
- Masafumi Shiraiwa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Pyridazinone derivatives
- Patent number 5,221,674
- Issue date Jun 22, 1993
- Teikoku Hormone Mfg. Co., Ltd.
- Kikuo Yasuda
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Carbostyril substituted pyridazinones
- Patent number 5,130,314
- Issue date Jul 14, 1992
- Teikoku Hormone Mfg. Co., Ltd.
- Kikuo Yasuda
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Pyridazinone derivatives
- Patent number 5,082,844
- Issue date Jan 21, 1992
- Teikoku Hormone Mfg. Co., Ltd.
- Kikuo Yasuda
- C07 - ORGANIC CHEMISTRY