Yuuki Yoshifuji

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical ring system
- Patent number 6,771,907
- Issue date Aug 3, 2004
- NEC Corporation
- Yuuki Yoshifuji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Network system capable of managing connection data
- Patent number 5,917,426
- Issue date Jun 29, 1999
- NEC Corporation
- Yuuki Yoshifuji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Cross connect apparatus with routed path protecting function
- Patent number 5,825,301
- Issue date Oct 20, 1998
- NEC Corporation
- Yuuki Yoshifuji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital cross-connect system
- Patent number 5,631,902
- Issue date May 20, 1997
- NEC Corporation
- Yuuki Yoshifuji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Network node cross-connection device using selectable memories for...
- Patent number 5,592,467
- Issue date Jan 7, 1997
- NEC Corporation
- Yayoi Takeuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data updating system capable of partially recovering data
- Patent number 5,586,247
- Issue date Dec 17, 1996
- NEC Corporation
- Yuuki Yoshifuji
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Cross-connecting module
- Patent number 5,537,405
- Issue date Jul 16, 1996
- NEC Corporation
- Yuuki Yoshifuji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for setting branch routes in a three-stage cross-connect swi...
- Patent number 5,450,074
- Issue date Sep 12, 1995
- NEC Corporation
- Yuuki Yoshifuji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Structure of an electronic device including a number of printed cir...
- Patent number 5,289,340
- Issue date Feb 22, 1994
- NEC Corporation
- Yuuki Yoshifuji
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Switching module for digital cross-connect systems
- Patent number 5,200,746
- Issue date Apr 6, 1993
- NEC Corporation
- Yuuki Yoshifuji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for expanding N.times.N three-stage switching network to 2N....
- Patent number 5,032,837
- Issue date Jul 16, 1991
- NEC Corporation
- Yuuki Yoshifuji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Yuuki Yoshifuji

Person

Patents Grantslast 30 patents

Optical ring system

Network system capable of managing connection data

Cross connect apparatus with routed path protecting function

Digital cross-connect system

Network node cross-connection device using selectable memories for...

Data updating system capable of partially recovering data

Cross-connecting module

Method for setting branch routes in a three-stage cross-connect swi...

Structure of an electronic device including a number of printed cir...

Switching module for digital cross-connect systems

Method for expanding N.times.N three-stage switching network to 2N....