Tetsuhiro Koyama

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Analog-digital converter
- Patent number 7,973,694
- Issue date Jul 5, 2011
- Renesas Electronics Corporation
- Tetsuhiro Koyama
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Analog-to-digital converter
- Patent number 7,956,778
- Issue date Jun 7, 2011
- Renesas Electronics Corporation
- Tetsuhiro Koyama
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Dither circuit and analog digital converter having dither circuit
- Patent number 7,696,910
- Issue date Apr 13, 2010
- NEC Electronics Corporation
- Tetsuhiro Koyama
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Semiconductor circuit apparatus with voltage boost
- Patent number 7,525,369
- Issue date Apr 28, 2009
- NEC Electronics Corporation
- Tetsuhiro Koyama
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Analog-to-digital converter
- Publication number 20100214141
- Publication date Aug 26, 2010
- NEC Electronics Corporation
- Tetsuhiro Koyama
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
ANALOG-DIGITAL CONVERTER
- Publication number 20100214147
- Publication date Aug 26, 2010
- NEC Electronics Corporation
- Tetsuhiro KOYAMA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Dither circuit and analog digital converter having dither circuit
- Publication number 20080238743
- Publication date Oct 2, 2008
- NEC Electronics Corporation
- Tetsuhiro Koyama
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Semiconductor circuit apparatus
- Publication number 20060267670
- Publication date Nov 30, 2006
- NEC ELECTRONICS CORPORATION
- Tetsuhiro Koyama
- G06 - COMPUTING CALCULATING COUNTING