Hiroyuki Egawa

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Toyama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Nitrogen-containing heterocyclic carboxamide derivatives or salts t...
- Patent number RE43748
- Issue date Oct 16, 2012
- Toyama Chemical Co., Ltd.
- Yousuke Furuta
- 544 - Organic compounds
Information Patent Grant
Pyrazine derivatives or salts thereof, pharmaceutical composition c...
- Patent number 6,800,629
- Issue date Oct 5, 2004
- Toyama Chemical Co., Ltd.
- Hiroyuki Egawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Nitrogen-containing heterocyclic carboxamide derivatives or salts t...
- Patent number 6,787,544
- Issue date Sep 7, 2004
- Toyama Chemical Co., Ltd.
- Yousuke Furuta
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
2,3-diketopiperazine derivatives or their salts
- Patent number 6,153,613
- Issue date Nov 28, 2000
- Toyoma Chemical Co., Ltd.
- Satoshi Ono
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
2,3-diketopiperazine derivatives or their salts
- Patent number 5,877,174
- Issue date Mar 2, 1999
- Toyama Chemical Co., Ltd.
- Satoshi Ono
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
Novel virus proliferaton inhibition/virucidal method and novel pyra...
- Publication number 20040235761
- Publication date Nov 25, 2004
- Yousuke Furuta
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Novel pyrazine derivatives or salts thereof, pharmaceutical composi...
- Publication number 20030130213
- Publication date Jul 10, 2003
- TOYAMA CHEMICAL CO., LTD.
- Hiroyuki Egawa
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Nitrogen-containing heterocyclic carboxamide derivatives or salts t...
- Publication number 20020013316
- Publication date Jan 31, 2002
- Yousuke Furuta
- C07 - ORGANIC CHEMISTRY