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Susumu Nakajima
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Asahikawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Porphyrin compounds
Patent number
6,746,663
Issue date
Jun 8, 2004
Photochemical Co., Ltd.
Isao Sakata
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Nitroimidazole substituted porphyrin complex
Patent number
6,548,045
Issue date
Apr 15, 2003
Photochemical Co., Ltd.
Isao Sakata
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Iminochlorinaspartic acid derivatives
Patent number
6,063,777
Issue date
May 16, 2000
Wyeth Lederle Japan, Ltd.
Muneo Hikida
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Artificial tubular organ
Patent number
5,236,447
Issue date
Aug 17, 1993
Nissho Corporation
Yoshihiko Kubo
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Porphyrin derivatives, and their production and use
Patent number
4,996,312
Issue date
Feb 26, 1991
Nihon Medi+Physics Co., Ltd.
Isao Sakata
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Porphyrin derivatives
Patent number
4,849,207
Issue date
Jul 18, 1989
Nihon Medi+Physics Co., Ltd.
Isao Sakata
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Pheophorbide derivatives and alkaline salts thereof
Patent number
4,709,022
Issue date
Nov 24, 1987
Isao Sakata
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
9-desoxo-9-hydroxy-pheophorbide derivatives and alkaline salts thereof
Patent number
4,604,241
Issue date
Aug 5, 1986
Isao Sakata
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
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Patent Application
Method of photodynamic diagnosis for vascular diseases
Publication number
20050209298
Publication date
Sep 22, 2005
Hamamatsu Photonics K. K.
Isao Sakata
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Porphyrin compounds
Publication number
20030017112
Publication date
Jan 23, 2003
Isao Sakata
C07 - ORGANIC CHEMISTRY
Information
Patent Application
NITROIMIDAZOLE SUBSTITUTED PORPHYRIN COMPLEX
Publication number
20020177704
Publication date
Nov 28, 2002
Isao Sakata
C07 - ORGANIC CHEMISTRY