Hiromitsu Kajiyama

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Fukuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Call control device, call control method, and call control system
- Patent number 9,705,903
- Issue date Jul 11, 2017
- Fujitsu Limited
- Ryouji Nakamatsu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system, communication method, and call control server
- Patent number 9,621,599
- Issue date Apr 11, 2017
- Fujitsu Limited
- Ryouji Nakamatsu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for controlling route in network
- Patent number 7,609,692
- Issue date Oct 27, 2009
- Fujitsu Limited
- Hiromitsu Kajiyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
IP gateway apparatus
- Patent number 6,961,331
- Issue date Nov 1, 2005
- Fujitsu Limited
- Seiji Tokunaga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and device for controlling affiliation of remote line-collec...
- Patent number 6,567,516
- Issue date May 20, 2003
- Fujitsu Limited
- Hirofumi Mitome
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
CALL CONTROL DEVICE, CALL CONTROL METHOD, AND CALL CONTROL SYSTEM
- Publication number 20160248789
- Publication date Aug 25, 2016
- Fujitsu Limited
- Ryouji NAKAMATSU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION SYSTEM, COMMUNICATION METHOD, AND CALL CONTROL SERVER
- Publication number 20150180909
- Publication date Jun 25, 2015
- Fujitsu Limited
- Ryouji NAKAMATSU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and apparatus for controlling route in network
- Publication number 20070217410
- Publication date Sep 20, 2007
- FUJITSU LIMITED
- Hiromitsu Kajiyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IP gateway apparatus
- Publication number 20020027923
- Publication date Mar 7, 2002
- Seiji Tokunaga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE