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Yoshiyuki Kai
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Hyogo, JP
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last 30 patents
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Patent Grant
Polyethylene glycol derivatives, process for preparing the same
Patent number
5,342,940
Issue date
Aug 30, 1994
Sumitomo Pharmaceuticals Company, Limited
Keiichi Ono
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Polyethylene glycol derivatives, modified peptides and production t...
Patent number
5,214,131
Issue date
May 25, 1993
Sumitomo Pharmaceuticals Company, Limited
Akihiko Sano
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polyethylene glycol derivatives, their modified peptides, methods f...
Patent number
5,183,660
Issue date
Feb 2, 1993
Sumitomo Pharmaceuticals Company, Limited
Yoshiharu Ikeda
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Polyethylene glycol substituted phenyl glyoxals
Patent number
5,093,531
Issue date
Mar 3, 1992
Sumitomo Pharmaceuticals Company, Limited
Akihiko Sano
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Synthesis of a derivative of GRF and intermediate peptides
Patent number
4,774,319
Issue date
Sep 27, 1988
Sumitomo Pharmaceuticals Company, Limited
Keiichi Ono
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE