Toshihiko Kawamoto

Follow

Person

Sayama-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Duplexer including first and second additional grating reflectors
- Patent number 8,354,895
- Issue date Jan 15, 2013
- Nihon Dempa Kogyo Co., Ltd.
- Toshihiko Kawamoto
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Low band side filter of duplexer, high band side filter of duplexer...
- Patent number 8,339,217
- Issue date Dec 25, 2012
- Nihon Dempa Kogyo Co., Ltd.
- Toshihiko Kawamoto
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Duplexer formed on piezoelectric substrate
- Patent number 8,093,961
- Issue date Jan 10, 2012
- Nihon Dempa Kogyo Co., Ltd.
- Toshihiko Kawamoto
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
DUPLEXER
- Publication number 20110032051
- Publication date Feb 10, 2011
- NIHON DEMPA KOGYO CO., LTD.
- Toshihiko Kawamoto
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Low band side filter of duplexer, high band side filter of duplexer...
- Publication number 20100225418
- Publication date Sep 9, 2010
- NIHON DEMPA KOGYO CO., LTD
- Toshihiko Kawamoto
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Duplexer
- Publication number 20100007435
- Publication date Jan 14, 2010
- NIHON DEMPA KOGYO CO., LTD.
- Toshihiko Kawamoto
- H03 - BASIC ELECTRONIC CIRCUITRY