Kazuyo Umezawa

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Moriya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical information recording medium and method of recording and re...
- Patent number 7,033,659
- Issue date Apr 25, 2006
- Hitachi Maxell, Ltd.
- Hiroshi Shirai
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Information-recording medium
- Publication number 20070037093
- Publication date Feb 15, 2007
- Hitachi Maxell, Ltd.
- Makoto Miyamoto
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Information recording medium, a method for recording information an...
- Publication number 20050180309
- Publication date Aug 18, 2005
- Hitachi, Ltd.
- Makoto Miyamoto
- G11 - INFORMATION STORAGE
Information Patent Application
Optical information recording medium and method of recording and re...
- Publication number 20040126623
- Publication date Jul 1, 2004
- Hiroshi Shirai
- G11 - INFORMATION STORAGE
Information Patent Application
Information-recording medium
- Publication number 20040106065
- Publication date Jun 3, 2004
- Hitachi Maxell, Ltd.
- Makoto Miyamoto
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Information recording medium, a method for recording information an...
- Publication number 20030186164
- Publication date Oct 2, 2003
- Hitachi, Ltd.
- Makoto Miyamoto
- G11 - INFORMATION STORAGE