Ryou Negishi

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical information medium and recording method therefor
- Patent number 6,728,198
- Issue date Apr 27, 2004
- Taiyo Yuden Co., Ltd.
- Toru Fujii
- G11 - INFORMATION STORAGE
Information Patent Grant
High-density optical information recording medium and a substrate a...
- Patent number 6,721,265
- Issue date Apr 13, 2004
- Taiyo Yuden Co., Ltd.
- Toru Fujii
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording medium for recording optically reprod...
- Patent number 6,711,118
- Issue date Mar 23, 2004
- Taiyo Yuden Co., Ltd.
- Toshiaki Tajima
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information medium
- Patent number 6,493,312
- Issue date Dec 10, 2002
- Taiyo Yuden Co., Ltd.
- Ryou Negishi
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for recording optical information by varying r...
- Patent number 6,480,450
- Issue date Nov 12, 2002
- Taiyo Yuden Co., Ltd.
- Toru Fujii
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information medium and recording method therefor
- Patent number 6,452,899
- Issue date Sep 17, 2002
- Taiyo Yuden Co., Ltd.
- Toru Fujii
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information medium
- Patent number 5,895,697
- Issue date Apr 20, 1999
- Taiyo Yuden Co., Ltd.
- Toshiaki Tajima
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Optical information medium and recording method therefor
- Publication number 20020145967
- Publication date Oct 10, 2002
- Taiyo Yuden Co., Ltd.
- Toru Fujii
- G11 - INFORMATION STORAGE
Information Patent Application
Optical information recording medium
- Publication number 20010008669
- Publication date Jul 19, 2001
- TAIYO YUDEN CO., LTD., 16-20 Ueno 6-chome, Taito-ku, Tokyo, 110-0005 JAPAN
- Fumi Hara
- G11 - INFORMATION STORAGE