Junji Fukuzawa

Person

Sagamihara, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Space-time communication system
- Patent number 7,945,614
- Issue date May 17, 2011
- Hitachi, Ltd.
- Tomoichi Ebata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Presence management apparatus
- Patent number 7,606,913
- Issue date Oct 20, 2009
- Hitachi, Ltd.
- Kenta Shiga
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Multimedia communication system
- Patent number 7,606,859
- Issue date Oct 20, 2009
- Hitachi, Ltd.
- Kenta Shiga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Voice mail communication system
- Patent number 5,625,675
- Issue date Apr 29, 1997
- Hitachi, Ltd.
- Ikuko Katsumaru
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data transmission method and system thereof
- Patent number 5,497,374
- Issue date Mar 5, 1996
- Hitachi, Ltd.
- Hisayuki Maruyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of replicate file updating by monitoring file accesses and s...
- Patent number 5,452,448
- Issue date Sep 19, 1995
- Hitachi, Ltd.
- Taketoshi Sakuraba
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Transmission method and system thereof
- Patent number 5,426,638
- Issue date Jun 20, 1995
- Hitachi, Ltd.
- Hisayuki Maruyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Bridge apparatus with an address check circuit for interconnecting...
- Patent number 5,247,620
- Issue date Sep 21, 1993
- Hitachi, Ltd.
- Junji Fukuzawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Presence management apparatus
- Publication number 20050021773
- Publication date Jan 27, 2005
- Kenta Shiga
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Distributed communication system
- Publication number 20040103149
- Publication date May 27, 2004
- Keiko Tanigawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Multimedia communication system
- Publication number 20040083282
- Publication date Apr 29, 2004
- Kenta Shiga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Junji Fukuzawa

Person

Patents Grantslast 30 patents

Space-time communication system

Presence management apparatus

Multimedia communication system

Voice mail communication system

Data transmission method and system thereof

Method of replicate file updating by monitoring file accesses and s...

Transmission method and system thereof

Bridge apparatus with an address check circuit for interconnecting...

Patents Applicationslast 30 patents

Presence management apparatus

Distributed communication system

Multimedia communication system