Akira Seino

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Patents Grantslast 30 patents

Information Patent Grant
Amplifier unit and method of detecting failure in the same
- Patent number 7,456,687
- Issue date Nov 25, 2008
- Fujitsu Limited
- Akira Seino
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Feedforward amplifier
- Patent number 5,898,339
- Issue date Apr 27, 1999
- Fujitsu Limited
- Satoshi Maruyama
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
Amplifier unit and method of detecting failure in the same
- Publication number 20070285158
- Publication date Dec 13, 2007
- Akira Seino
- H03 - BASIC ELECTRONIC CIRCUITRY