Ryusuke Sahara

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Patents Grantslast 30 patents

Information Patent Grant
Operational amplifier
- Patent number 8,497,791
- Issue date Jul 30, 2013
- Hitachi, Ltd.
- Atsushi Okumura
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Semiconductor device having D/A conversion portion
- Patent number 7,522,083
- Issue date Apr 21, 2009
- Hitachi, Ltd.
- Ryusuke Sahara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Semiconductor device having memory cells implemented with bipolar-t...
- Patent number 7,310,266
- Issue date Dec 18, 2007
- Hitachi, Ltd.
- Ryusuke Sahara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Semiconductor integrated circuit device
- Patent number 7,078,928
- Issue date Jul 18, 2006
- Hitachi, Ltd.
- Ryusuke Sahara
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
OPERATIONAL AMPLIFIER
- Publication number 20120293353
- Publication date Nov 22, 2012
- Hitachi, Ltd.
- Atsushi OKUMURA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
AMPLIFIER CIRCUIT
- Publication number 20120013403
- Publication date Jan 19, 2012
- Hitachi, Ltd.
- Ryusuke SAHARA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
PIEZOELECTRIC ACTUATOR DRIVE UNIT
- Publication number 20120013220
- Publication date Jan 19, 2012
- Hitachi, Ltd.
- Takahiro KAWATA
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information Patent Application
SEMICONDUCTOR DEVICE
- Publication number 20080055140
- Publication date Mar 6, 2008
- Ryusuke SAHARA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Semiconductor device
- Publication number 20060245266
- Publication date Nov 2, 2006
- Hitachi, Ltd.
- Ryusuke Sahara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Semiconductor integrated circuit device
- Publication number 20040128635
- Publication date Jul 1, 2004
- Ryusuke Sahara
- G01 - MEASURING TESTING