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Minoru Ichijo
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Kitasoma-gun, JP
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Patents Grants
last 30 patents
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Patent Grant
Button-type alkaline battery and method of manufacturing the same
Patent number
8,003,247
Issue date
Aug 23, 2011
Hitachi Maxell Energy, Ltd.
Hiromi Tamakoshi
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Patent Grant
Optical information recording medium and its production
Patent number
5,013,594
Issue date
May 7, 1991
Hitachi Maxwell, Ltd.
Tetsuo Mizumura
G11 - INFORMATION STORAGE
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Patent Grant
Magnetic recording medium and production of the same
Patent number
4,755,426
Issue date
Jul 5, 1988
Hitachi Maxell, Ltd.
Fumio Kokai
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium and production thereof
Patent number
4,737,415
Issue date
Apr 12, 1988
Hitachi Maxell, Ltd.
Minoru Ichijo
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
Button-type alkaline battery and method of manufacturing the same
Publication number
20050170244
Publication date
Aug 4, 2005
Hitachi Maxell, Ltd.
Hiromi Tamakoshi
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Information recording medium and information recording method
Publication number
20030124458
Publication date
Jul 3, 2003
Hitachi Maxell, Ltd.
Minoru Ichijo
G11 - INFORMATION STORAGE