Hirofumi Masukawa

Person

Isehara, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Network system and node apparatus
- Patent number 8,027,246
- Issue date Sep 27, 2011
- Hitachi, Ltd.
- Kazuma Yumoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Packet routing apparatus and a method of communicating a packet
- Patent number 7,639,604
- Issue date Dec 29, 2009
- Hitachi, Ltd.
- Junnosuke Wakai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Packet communication apparatus and controlling method thereof
- Patent number 7,221,647
- Issue date May 22, 2007
- Hitachi, Ltd.
- Norihiko Moriwaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Packet routing apparatus and a method of communicating a packet
- Patent number 7,027,390
- Issue date Apr 11, 2006
- Hitachi, Ltd.
- Junnosuke Wakai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
CALL TRANSFER SYSTEM AND CALL TRANSFER CONTROL METHOD
- Publication number 20090245499
- Publication date Oct 1, 2009
- Mitsuhiro WADA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
GATEWAY APPARATUS
- Publication number 20090049180
- Publication date Feb 19, 2009
- Nami EI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Network system and node apparatus
- Publication number 20080253295
- Publication date Oct 16, 2008
- Hitachi, Ltd.
- Kazuma Yumoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION SYSTEM AND ROUTER
- Publication number 20080225727
- Publication date Sep 18, 2008
- Hitoshi YOSHIDA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Packet routing apparatus and a method of communicating a packet
- Publication number 20060126500
- Publication date Jun 15, 2006
- Junnosuke Wakai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Packet/TDM integrated node apparatus
- Publication number 20040208554
- Publication date Oct 21, 2004
- Junnosuke Wakai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Packet communication apparatus and controlling method thereof
- Publication number 20030128712
- Publication date Jul 10, 2003
- Norihiko Moriwaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Packet routing apparatus and a method of communicating a packet
- Publication number 20020110136
- Publication date Aug 15, 2002
- Junnosuke Wakai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Hirofumi Masukawa

Person

Patents Grantslast 30 patents

Network system and node apparatus

Packet routing apparatus and a method of communicating a packet

Packet communication apparatus and controlling method thereof

Packet routing apparatus and a method of communicating a packet

Patents Applicationslast 30 patents

CALL TRANSFER SYSTEM AND CALL TRANSFER CONTROL METHOD

GATEWAY APPARATUS

Network system and node apparatus

COMMUNICATION SYSTEM AND ROUTER

Packet routing apparatus and a method of communicating a packet

Packet/TDM integrated node apparatus

Packet communication apparatus and controlling method thereof

Packet routing apparatus and a method of communicating a packet