Shigeru Ito

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Nagareyama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for treating urinary obstruction
- Patent number 5,145,851
- Issue date Sep 8, 1992
- Hitachi Chemical Co., Ltd.
- Masayuki Ishikawa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method for treating urinary obstruction
- Patent number 5,075,308
- Issue date Dec 24, 1991
- Hitachi Chemical Co., Ltd.
- Masayuki Ishikawa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
1-Phthalazone derivatives, and use thereof
- Patent number 4,293,553
- Issue date Oct 6, 1981
- Ishikawa; Masayuki
- Masayuki Ishikawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3-Aromatic moiety substituted-4(3H)-quinazolinones, process for pro...
- Patent number 4,276,295
- Issue date Jun 30, 1981
- Ishikawa; Masayuki
- Masayuki Ishikawa
- C07 - ORGANIC CHEMISTRY