Keisuke Umeda

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Fukuoka-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical disk recording method employing a plurality of recording ar...
- Patent number RE41469
- Issue date Aug 3, 2010
- Panasonic Corporation
- Taizou Kusano
- 369 - Dynamic information storage or retrieval
Information Patent Grant
Bi-phase mark reproduction apparatus and optical disk drive device...
- Patent number 7,099,256
- Issue date Aug 29, 2006
- Matsushita Electric Industrial Co., Ltd.
- Yasuhiro Wada
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk recording method employing a plurality of recording ar...
- Patent number RE38704
- Issue date Feb 15, 2005
- Matsushita Electric Industrial Co., Ltd.
- Taizou Kusano
- 369 - Dynamic information storage or retrieval
Information Patent Grant
Optical disk recording method employing a plurality of recording ar...
- Patent number 5,986,988
- Issue date Nov 16, 1999
- Matsushita Electric Industrial Co., Ltd.
- Taizou Kusano
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk recording and reproducing method and apparatus therefor
- Patent number 5,751,676
- Issue date May 12, 1998
- Matsushita Electric Industrial Co., Ltd.
- Taizou Kusano
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Optical disk apparatus
- Publication number 20060114779
- Publication date Jun 1, 2006
- Yasuhiro Wada
- G11 - INFORMATION STORAGE
Information Patent Application
Bi-phase mark reproduction apparatus and optical disk drive device...
- Publication number 20030081524
- Publication date May 1, 2003
- Yasuhiro Wada
- G11 - INFORMATION STORAGE
Information Patent Application
Optical disk apparatus
- Publication number 20030016602
- Publication date Jan 23, 2003
- Yasuhiro Wada
- G11 - INFORMATION STORAGE