Takashi Hiraoka

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Kyoto-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Mobile phone with music reproduction function, music data reproduct...
- Patent number 8,718,237
- Issue date May 6, 2014
- Panasonic Corporation
- Kenji Tagawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mobile phone with music reproduction function, music data reproduct...
- Patent number 7,869,580
- Issue date Jan 11, 2011
- Panasonic Corporation
- Kenji Tagawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mobile phone with music reproduction function, music data reproduct...
- Patent number 6,947,728
- Issue date Sep 20, 2005
- Matsushita Electric Industrial Co., Ltd.
- Kenji Tagawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
MOBILE PHONE WITH MUSIC REPRODUCTION FUNCTION, MUSIC DATA REPRODUCT...
- Publication number 20110077049
- Publication date Mar 31, 2011
- Kenji TAGAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Mobile phone with music reproduction function, music data reproduct...
- Publication number 20050239446
- Publication date Oct 27, 2005
- Kenji Tagawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Mobile phone with music reproduction function, music data reproduct...
- Publication number 20020045438
- Publication date Apr 18, 2002
- Kenji Tagawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE