Junji Tanaka

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Pre-pit detecting apparatus detecting pre-pit signal from only sign...
- Patent number 6,956,800
- Issue date Oct 18, 2005
- Pioneer Corporation
- Junji Tanaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus and method for re-executing pre-pit detection if pre-pits...
- Patent number 6,891,784
- Issue date May 10, 2005
- Pioneer Corporation
- Naoharu Yanagawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Pre-pit detecting device and binarizing level setting method
- Patent number 6,757,233
- Issue date Jun 29, 2004
- Pioneer Corporation
- Shin Akabane
- G11 - INFORMATION STORAGE
Information Patent Grant
Prepit detection unit
- Patent number 6,466,533
- Issue date Oct 15, 2002
- Pioneer Corporation
- Hiroshi Hikima
- G11 - INFORMATION STORAGE
Information Patent Grant
Prepit detection unit
- Patent number 6,337,838
- Issue date Jan 8, 2002
- Pioneer Corporation
- Hiroshi Hikima
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Prepit detection unit
- Publication number 20020048251
- Publication date Apr 25, 2002
- PIONEER CORPORATION
- Hiroshi Hikima
- G11 - INFORMATION STORAGE