Koichi Yasuda

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical recording medium
- Patent number 7,390,546
- Issue date Jun 24, 2008
- Sony Corporation
- Koichi Yasuda
- G11 - INFORMATION STORAGE
Information Patent Grant
Multilayer phase-change type optical disc capable of recording and...
- Patent number 6,956,809
- Issue date Oct 18, 2005
- Sony Corporation
- Kotaro Kurokawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Multilayer optical disk and method of initializing the same
- Patent number 6,574,180
- Issue date Jun 3, 2003
- Sony Corporation
- Kotaro Kurokawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Multi-layered optical disc
- Patent number 6,511,788
- Issue date Jan 28, 2003
- Sony Corporation
- Koichi Yasuda
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc having narrow recording track relative to light spot d...
- Patent number 6,434,108
- Issue date Aug 13, 2002
- Sony Corporation
- Yutaka Kasami
- G11 - INFORMATION STORAGE
Information Patent Grant
Reduced thickness of a light transmissive layer for a high density...
- Patent number 6,246,656
- Issue date Jun 12, 2001
- Sony Corporation
- Osamu Kawakubo
- G11 - INFORMATION STORAGE
Information Patent Grant
Multi-layer optical disc and recording/reproducing apparatus
- Patent number 6,221,455
- Issue date Apr 24, 2001
- Sony Corporation
- Koichi Yasuda
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording medium and optical disk apparatus
- Patent number 5,972,459
- Issue date Oct 26, 1999
- Sony Corporation
- Osamu Kawakubo
- G11 - INFORMATION STORAGE
Information Patent Grant
Phase-change optical recording medium having an additive related to...
- Patent number 5,923,639
- Issue date Jul 13, 1999
- Sony Corporation
- Koichi Yasuda
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of and apparatus for initializing multi-layer optical record...
- Patent number 5,768,221
- Issue date Jun 16, 1998
- Sony Corporation
- Yutaka Kasami
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc
- Patent number 5,741,603
- Issue date Apr 21, 1998
- Sony Corporation
- Koichi Yasuda
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc
- Patent number 5,657,310
- Issue date Aug 12, 1997
- Sony Corporation
- Koichi Yasuda
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL INFORMATION RECORDING MEDIUM AND OPTICAL INFORMATION RECORD...
- Publication number 20140050877
- Publication date Feb 20, 2014
- SONY CORPORATION
- Yo Ota
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL INFORMATION RECORDING MEDIUM AND LAMINATE FOR OPTICAL INFOR...
- Publication number 20140037921
- Publication date Feb 6, 2014
- SONY CORPORATION
- Yo Ota
- G11 - INFORMATION STORAGE
Information Patent Application
Multilayer optical disc
- Publication number 20030169675
- Publication date Sep 11, 2003
- Kotaro Kurokawa
- G11 - INFORMATION STORAGE
Information Patent Application
Multi-layered optical disc
- Publication number 20030134229
- Publication date Jul 17, 2003
- Koichi Yasuda
- G11 - INFORMATION STORAGE
Information Patent Application
Multilayer optical disk and method of initializing the same
- Publication number 20020018428
- Publication date Feb 14, 2002
- Kotaro Kurokawa
- G11 - INFORMATION STORAGE

Koichi Yasuda

Person

Patents Grantslast 30 patents

Optical recording medium

Multilayer phase-change type optical disc capable of recording and...

Multilayer optical disk and method of initializing the same

Multi-layered optical disc

Optical disc having narrow recording track relative to light spot d...

Reduced thickness of a light transmissive layer for a high density...

Multi-layer optical disc and recording/reproducing apparatus

Optical recording medium and optical disk apparatus

Phase-change optical recording medium having an additive related to...

Method of and apparatus for initializing multi-layer optical record...

Optical disc

Optical disc

Patents Applicationslast 30 patents

OPTICAL INFORMATION RECORDING MEDIUM AND OPTICAL INFORMATION RECORD...

OPTICAL INFORMATION RECORDING MEDIUM AND LAMINATE FOR OPTICAL INFOR...

Multilayer optical disc

Multi-layered optical disc

Multilayer optical disk and method of initializing the same