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Masahumi Kitano
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Takatsuki, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Substituted guanidine derivatives
Patent number
6,734,205
Issue date
May 11, 2004
Sumitomo Pharmaceuticals Company Limited
Masahumi Kitano
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Substituted guanidine derivatives and process for producing the same
Patent number
6,369,110
Issue date
Apr 9, 2002
Sumitomo Pharmaceuticals Company
Masahumi Kitano
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Substituted guanidine derivatives, process for production thereof,...
Patent number
6,271,251
Issue date
Aug 7, 2001
Sumitomo Pharmaceuticals Company Limited
Masahumi Kitano
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Indoloylguanidine derivatives
Patent number
6,248,772
Issue date
Jun 19, 2001
Sumitomo Pharmaceuticals Co., Ltd.
Masahumi Kitano
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Indoloylguanidine derivatives
Patent number
6,169,107
Issue date
Jan 2, 2001
Sumitomo Pharmaceutical Co., Ltd.
Masahumi Kitano
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Substituted guanidine derivatives, process for production thereof,...
Patent number
5,977,100
Issue date
Nov 2, 1999
Sumitomo Pharmaceuticals Company, Limited
Masahumi Kitano
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Substituted guanidine derivatives, process for production thereof,...
Patent number
5,834,454
Issue date
Nov 10, 1998
Sumitomo Pharmaceuticals Company, Limited
Masahumi Kitano
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Substituted guanidine derivatives
Patent number
5,814,654
Issue date
Sep 29, 1998
Sumitomo Pharmaceuticals Company, Limited
Masahumi Kitano
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
Tricyclic quinazolinediones
Publication number
20030105118
Publication date
Jun 5, 2003
Shuji Masumoto
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Substituted guanidine derivatives
Publication number
20030018056
Publication date
Jan 23, 2003
Masahumi Kitano
C07 - ORGANIC CHEMISTRY