Katsumi Ohishi

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Information distribution system
- Patent number 7,779,442
- Issue date Aug 17, 2010
- Sony Corporation
- Keiji Fukuzawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal processing device and method for switching signal processors...
- Patent number 6,480,551
- Issue date Nov 12, 2002
- Sony Corporation
- Katsumi Ohishi
- G06 - COMPUTING CALCULATING COUNTING