Keiichi Sekiguchi

Follow

Person

Saitama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
AC signal level detection circuit
- Patent number 7,271,579
- Issue date Sep 18, 2007
- Sanken Electric Co., Ltd.
- Masaaki Shimada
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Ac signal level detection circuit
- Publication number 20050151567
- Publication date Jul 14, 2005
- SANKEN ELECTRIC CO., LTD.
- Masaaki Shimada
- G01 - MEASURING TESTING