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Mitsuo Okazaki
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Tama, JP
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last 30 patents
Information
Patent Grant
Calcium-antagonistic composition
Patent number
4,232,010
Issue date
Nov 4, 1980
Kanebo, Ltd.
Goro Tsukamoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
1,3,4-Oxadiazole derivatives and use thereof
Patent number
4,192,677
Issue date
Mar 11, 1980
Ricoh Co., Ltd.
Mitsuo Okazaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Derivatives of 1,3,4-oxadiazole and electrophotographic elements co...
Patent number
4,157,913
Issue date
Jun 12, 1979
Ricoh Co., Ltd.
Mitsuo Okazaki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Derivatives of 1,3,4-oxadiazole and electrophotographic elements co...
Patent number
4,157,914
Issue date
Jun 12, 1979
Ricoh Co., Ltd.
Mitsuo Okazaki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
1,3,4-Oxadiazole derivatives and electrophotographic plates contain...
Patent number
4,141,729
Issue date
Feb 27, 1979
Ricoh Company, Ltd.
Mitsuo Okazaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
3-(9-Fluorenylidene)carbazole derivatives and electrophotographic l...
Patent number
4,134,761
Issue date
Jan 16, 1979
Ricoh Co., Ltd.
Mitsuo Okazaki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Derivatives of 1,3,4-oxadiazole and electrophotographic elements co...
Patent number
4,099,970
Issue date
Jul 11, 1978
Ricoh Co., Ltd.
Mitsuo Okazaki
C07 - ORGANIC CHEMISTRY