Hitoshi Sakaguchi

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Recording/reproducing device, system and server
- Patent number 8,437,621
- Issue date May 7, 2013
- PTP, Inc.
- Masayasu Ariyoshi
- G11 - INFORMATION STORAGE
Information Patent Grant
Digital recording/reproducing device, computer program, and server
- Patent number 8,218,948
- Issue date Jul 10, 2012
- PTP, Inc.
- Masayasu Ariyoshi
- G11 - INFORMATION STORAGE
Information Patent Grant
Remote controller
- Patent number 8,194,190
- Issue date Jun 5, 2012
- PTP, Inc.
- Masayasu Ariyoshi
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
DIGITAL RECORDING/REPRODUCING DEVICE, COMPUTER PROGRAM, AND SERVER
- Publication number 20120251075
- Publication date Oct 4, 2012
- Masayasu Ariyoshi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Recording / Reproducing Device, System and Server
- Publication number 20100290757
- Publication date Nov 18, 2010
- PTP, INC.
- Masayasu Ariyoshi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MERCHANDISE PURCHASING SYSTEM, RECORDING/REPRODUCING APPARATUS, AND...
- Publication number 20100166394
- Publication date Jul 1, 2010
- Masayasu Ariyoshi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Program Data Management Server, Identifier Allocation Device, Progr...
- Publication number 20100031304
- Publication date Feb 4, 2010
- Masayasu Ariyoshi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Remote Controller
- Publication number 20080068513
- Publication date Mar 20, 2008
- Masayasu Ariyoshi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Digital Recording/Reproducing Device, Computer Program, and Server
- Publication number 20080031589
- Publication date Feb 7, 2008
- Masayasu Ariyoshi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE