Sakae Washikawa

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Audio signal processing apparatus
- Patent number 6,492,909
- Issue date Dec 10, 2002
- Sony Corporation
- Sakae Washikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical disc reproducing apparatus and optical disc reproducing method
- Patent number 5,862,106
- Issue date Jan 19, 1999
- Sony Corporation
- Sakae Washikawa
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
Disk clamper, recording and/or playback apparatus and method for lo...
- Publication number 20030053402
- Publication date Mar 20, 2003
- SONY CORPORATION
- Akihisa Inatani
- G11 - INFORMATION STORAGE