Toshiyuki Matsuda

Follow

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Acoustic echo canceller system
- Patent number 8,126,161
- Issue date Feb 28, 2012
- Hitachi, Ltd.
- Masahito Togami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Media gateway and automatic telephone call redirecting service system
- Patent number 7,583,659
- Issue date Sep 1, 2009
- Hitachi Communication Technologies, Ltd.
- Satoshi Matsuhashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telephone applicable to PSTN and IP network and call connection con...
- Patent number 7,352,856
- Issue date Apr 1, 2008
- Hitachi Communication Technologies, Ltd.
- Satoshi Matsuhashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
COMMUNICATION SYSTEM
- Publication number 20100142541
- Publication date Jun 10, 2010
- Yusuke MURASE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ACOUSTIC ECHO CANCELLER SYSTEM
- Publication number 20080107281
- Publication date May 8, 2008
- Masahito Togami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Telephone applicable to PSTN and IP network and call connection con...
- Publication number 20070127679
- Publication date Jun 7, 2007
- Satoshi Matsuhashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Media gateway and automatic telephone call redirecting service system
- Publication number 20050141528
- Publication date Jun 30, 2005
- Hitachi Communication Technologies, Ltd.
- Satoshi Matsuhashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Telephone applicable to PSTN and IP network and call connection con...
- Publication number 20050025294
- Publication date Feb 3, 2005
- Satoshi Matsuhashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE