Shinji Takeuchi

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Nagaokakyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Acoustic replay device
- Patent number 5,953,431
- Issue date Sep 14, 1999
- Mitsubishi Denki Kabushiki Kaisha
- Noboru Yashima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Video contrast enhancer
- Patent number 5,808,697
- Issue date Sep 15, 1998
- Mitsubishi Denki Kabushiki Kaisha
- Naohiro Fujimura
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
Data transmission system
- Publication number 20030033468
- Publication date Feb 13, 2003
- Shinji Takeuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE