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Patents Grantslast 30 patents

Information Patent Grant
Information recording and/or playback apparatus
- Patent number 8,270,816
- Issue date Sep 18, 2012
- Hitachi, Ltd.
- Toshiya Mizushima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Tracking control in apparatus for fast reproducing digital informat...
- Patent number 5,532,835
- Issue date Jul 2, 1996
- Hitachi, Ltd.
- Harushige Nakagaki
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
INFORMATION RECORDING AND/OR PLAYBACK APPARATUS
- Publication number 20080131095
- Publication date Jun 5, 2008
- Toshiya Mizushima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Graphic Recording Apparatus
- Publication number 20080031598
- Publication date Feb 7, 2008
- YASUNORI OHARA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE