Ryuji Matsuo

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Inputting device and mobile terminal
- Patent number 8,022,944
- Issue date Sep 20, 2011
- NEC Corporation
- Daisuke Suzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wireless communication apparatus having rechargeable battery
- Patent number 6,526,293
- Issue date Feb 25, 2003
- NEC Corporation
- Ryuji Matsuo
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Arrangement of automatically restoring normal operation of latch-in...
- Patent number 5,196,730
- Issue date Mar 23, 1993
- NEC Corporation
- Ryuji Matsuo
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Inputting device and mobile terminal
- Publication number 20040119687
- Publication date Jun 24, 2004
- NEC Corporation
- Daisuke Suzuki
- G06 - COMPUTING CALCULATING COUNTING