Kazuo Kanayama

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Caller number notification
- Patent number 7,970,113
- Issue date Jun 28, 2011
- NEC Infrontia Corporation
- Kazuo Kanayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Office-line trunk circuit operating on ground-start and loop-start...
- Patent number 7,539,299
- Issue date May 26, 2009
- NEC Infrontia Corporation
- Kazuo Kanayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
CALLER NUMBER NOTIFICATION
- Publication number 20070165807
- Publication date Jul 19, 2007
- NEC INFRONTIA CORPORATION
- Kazuo Kanayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Office-line trunk circuit operating on ground-start and loop-start...
- Publication number 20050047588
- Publication date Mar 3, 2005
- NEC INFRONTIA CORPORATION
- Kazuo Kanayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE