Wataru Yamatani

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Portable telephone terminal and power supply method
- Patent number 7,269,447
- Issue date Sep 11, 2007
- Sony Corporation
- Wataru Yamatani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Recording and/or reproducing apparatus for using magneto-optical disc
- Patent number 5,247,496
- Issue date Sep 21, 1993
- Sony Corporation
- Wataru Yamatani
- G11 - INFORMATION STORAGE
Information Patent Grant
Spread spectrum signal receiving apparatus
- Patent number 5,222,099
- Issue date Jun 22, 1993
- Sony Corporation
- Katsuya Hori
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Portable telephone terminal and power supply method
- Publication number 20020052227
- Publication date May 2, 2002
- Wataru Yamatani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE