Katsumi Ihara

Follow

Person

London, GB

People

Patents Grantslast 30 patents

Information Patent Grant
Wireless hands-free system with silent user signaling
- Patent number 7,953,454
- Issue date May 31, 2011
- Sony Ericsson Mobile Communications AB
- Katsumi Ihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
WIRELESS HANDS-FREE SYSTEM WITH SILENT USER SIGNALING
- Publication number 20040185915
- Publication date Sep 23, 2004
- Katsumi Ihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE