Katsuya Sonoyama

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Akishima, JP

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Patents Grantslast 30 patents

Information Patent Grant
Driver and output buffer circuit
- Patent number 8,299,822
- Issue date Oct 30, 2012
- Hitachi, Ltd.
- Yasuo Shima
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Signal amplifier and magnetic disk storage apparatus using the same
- Patent number 6,218,903
- Issue date Apr 17, 2001
- Hitachi, Ltd.
- Takashi Hashimoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Signal amplifier apparatus and magnetic disk storage apparatus usin...
- Patent number 6,163,218
- Issue date Dec 19, 2000
- Hitachi, Ltd.
- Takashi Hashimoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Signal amplifier apparatus and magnetic disk storage apparatus usin...
- Patent number 6,114,905
- Issue date Sep 5, 2000
- Hitachi, Ltd.
- Takashi Hashimoto
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
DRIVER AND OUTPUT BUFFER CIRCUIT
- Publication number 20110234263
- Publication date Sep 29, 2011
- Hitachi, Ltd.
- Yasuo SHIMA
- H03 - BASIC ELECTRONIC CIRCUITRY