Ryuichi Iwamura

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San Diego, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Optical disk and method and apparatus for recording and then playin...
- Patent number RE42962
- Issue date Nov 22, 2011
- Sony Corporation
- Jun Yonemitsu
- 714 - Error detection/correction and fault detection/recovery
Information Patent Grant
Method for reproducing compressed information data from a disk usin...
- Patent number RE38802
- Issue date Sep 27, 2005
- Sony Corporation
- Jun Yonemitsu
- 386 - Motion video signal processing for recording or reproducing
Information Patent Grant
Method for reproducing compressed information data from a disk usin...
- Patent number RE37327
- Issue date Aug 14, 2001
- Sony Corporation
- Jun Yonemitsu
- 369 - Dynamic information storage or retrieval