Naoyuki Izawa

Person

Kawasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Intra-station control system for connectionless communications system
- Patent number 7,551,612
- Issue date Jun 23, 2009
- Fujitsu Limited
- Yasusi Kobayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication path quality monitoring method and quality monitoring...
- Patent number 6,477,141
- Issue date Nov 5, 2002
- Fujitsu Limited
- Naoyuki Izawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Connectionless communications system, its test method, and intra-st...
- Patent number 6,333,932
- Issue date Dec 25, 2001
- Fujitsu Limited
- Yasusi Kobayasi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Simultaneously-occuring message control device in a communications...
- Patent number 5,796,734
- Issue date Aug 18, 1998
- Fujitsu Limited
- Naoyuki Izawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for monitoring errors occurring in data processed...
- Patent number 5,784,274
- Issue date Jul 21, 1998
- Fujitsu Limited
- Masami Murayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telephone subscriber accomodation system in a broadband network
- Patent number 5,521,924
- Issue date May 28, 1996
- Fujitsu Limited
- Satoshi Kakuma
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Elastic store memory circuit
- Patent number 5,444,658
- Issue date Aug 22, 1995
- Fujitsu Limited
- Naoyuki Izawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus for testing ATM channels
- Patent number 5,313,453
- Issue date May 17, 1994
- Fujitsu Limited
- Yoshihiro Uchida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
In-service activator for a broadband exchanger
- Patent number 5,295,134
- Issue date Mar 15, 1994
- Fujitsu Limited
- Shuji Yoshimura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmission test system in a broadband ISDN
- Patent number 5,251,204
- Issue date Oct 5, 1993
- Fujitsu Limited
- Naoyuki Izawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus and method for establishing identical data in dual ATM sw...
- Patent number 5,153,578
- Issue date Oct 6, 1992
- Fujitsu Limited
- Naoyuki Izawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Naoyuki Izawa

Person

Patents Grantslast 30 patents

Intra-station control system for connectionless communications system

Communication path quality monitoring method and quality monitoring...

Connectionless communications system, its test method, and intra-st...

Simultaneously-occuring message control device in a communications...

System and method for monitoring errors occurring in data processed...

Telephone subscriber accomodation system in a broadband network

Elastic store memory circuit

Apparatus for testing ATM channels

In-service activator for a broadband exchanger

Transmission test system in a broadband ISDN

Apparatus and method for establishing identical data in dual ATM sw...