Kouichi Shirakawa

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Nagaokakyo-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Disk media, and method of and device for recording and playing back...
- Patent number 7,406,249
- Issue date Jul 29, 2008
- Mitsubishi Denki Kabushiki Kaisha
- Kouichi Shirakawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk media, and method of and device for recording and playing back...
- Patent number 7,212,728
- Issue date May 1, 2007
- Mitsubishi Denki Kabushiki Kaisha
- Kouichi Shirakawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk media, and method of and device for playing back information o...
- Patent number 6,539,164
- Issue date Mar 25, 2003
- Mitsubishi Denki Kabushiki Kaisha
- Kouichi Shirakawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk media, and method of and device for recording and playing back...
- Patent number 5,949,953
- Issue date Sep 7, 1999
- Mitsubishi Denki Kabushiki Kaisha
- Kouichi Shirakawa
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Disk media, and method of and device for recording and playing back...
- Publication number 20050089312
- Publication date Apr 28, 2005
- Mitsubishi Denki Kabushiki Kaisha
- Kouichi Shirakawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Disk media, and method of and device for recording and playing back...
- Publication number 20020044760
- Publication date Apr 18, 2002
- Mitsubishi Denki Kabushiki Kaisha
- Kouichi Shirakawa
- G11 - INFORMATION STORAGE
Information Patent Application
DISK MEDIA, AND METHOD OF AND DEVICE FOR RECORDING AND PLAYING BACK...
- Publication number 20010031132
- Publication date Oct 18, 2001
- KOUICHI SHIRAKAWA
- G11 - INFORMATION STORAGE