Hiroyuki Ishizuka

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Ibaraki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Carbapenem compound crystals and interjection preparations
- Patent number 7,084,268
- Issue date Aug 1, 2006
- Eisai Co., Ltd.
- Hiroyuki Chiba
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Process for the preparation of basic antibiotic-inorganic acid addi...
- Patent number 6,642,377
- Issue date Nov 4, 2003
- Eisai Co., Ltd.
- Akio Kayano
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Carbapenem compound crystals and injection preparations
- Publication number 20060040916
- Publication date Feb 23, 2006
- EISAI CO., LTD.
- Hiroyuki Chiba
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Process for preparation of carbapenem antibiotics
- Publication number 20040198973
- Publication date Oct 7, 2004
- Tsujii Masahiko
- C07 - ORGANIC CHEMISTRY