Akio Ichikawa

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Content use control device, recording device, reproduction device,...
- Patent number 9,064,095
- Issue date Jun 23, 2015
- Sharp Kabushiki Kaisha
- Yukitaka Shimizu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Storage device, storage method, and image display device
- Patent number 8,307,448
- Issue date Nov 6, 2012
- Sharp Kabushiki Kaisha
- Yukitaka Shimizu
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording device and method
- Patent number 8,170,399
- Issue date May 1, 2012
- Sharp Kabushiki Kaisha
- Yukitaka Shimizu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Content use control device, recording device, reproduction device,...
- Patent number 8,108,314
- Issue date Jan 31, 2012
- Sharp Kabushiki Kaisha
- Yukitaka Shimizu
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
RECORDING/PLAYBACK DEVICE
- Publication number 20110058788
- Publication date Mar 10, 2011
- Kazuhisa Asao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CONTENT USE CONTROL DEVICE, RECORDING DEVICE, REPRODUCTION DEVICE,...
- Publication number 20090217314
- Publication date Aug 27, 2009
- Yukitaka Shimizu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
RECORDING AND REPRODUCING APPARATUS
- Publication number 20090041420
- Publication date Feb 12, 2009
- Takeshi Matsushita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Recording Device and Method
- Publication number 20080101766
- Publication date May 1, 2008
- Yukitaka Shimizu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Storage Device, Storage Method, and Image Display Device
- Publication number 20080052536
- Publication date Feb 28, 2008
- Yukitaka Shimizu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Content use control device, reording device, reproduction device, r...
- Publication number 20070124251
- Publication date May 31, 2007
- Sharp Kabushiki Kaisha
- Yukitaka Shimizu
- G06 - COMPUTING CALCULATING COUNTING