Aki Koyabu

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Information processing apparatus for searching broadcast program an...
- Patent number 7,797,714
- Issue date Sep 14, 2010
- Sony Corporation
- Mitsuru Nagasaka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Information receiving apparatus and method for receiving headline i...
- Patent number 7,657,909
- Issue date Feb 2, 2010
- Sony Corporation
- Mitsuru Nagasaka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Program guide information providing device, program device informat...
- Patent number 7,587,731
- Issue date Sep 8, 2009
- Sony Corporation
- Tomoko Oyabu
- G08 - SIGNALLING
Information Patent Grant
Information searching device, information receiver, and methods the...
- Patent number 7,379,655
- Issue date May 27, 2008
- Sony Corporation
- Aki Koyabu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE