Yoshiko Koizumi

Person

Kawasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Mobile switchboard, mobile unit, mobile communication system, and p...
- Patent number 8,254,926
- Issue date Aug 28, 2012
- Fujitsu Limited
- Shinichiro Aikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mobile switchboard, mobile unit, mobile communication system, and p...
- Patent number 8,041,354
- Issue date Oct 18, 2011
- Fujitsu Limited
- Shinichiro Aikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mobile switchboard, mobile unit, mobile communication system, and p...
- Patent number 7,941,142
- Issue date May 10, 2011
- Fujitsu Limited
- Shinichiro Aikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication monitoring and controlling apparatus
- Patent number 6,158,009
- Issue date Dec 5, 2000
- Fujitsu Limited
- Ichiro Ayukawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
BASE STATION DEVICE, MOBILE STATION DEVICE, SERVICE QUALITY CONTROL...
- Publication number 20160112895
- Publication date Apr 21, 2016
- Fujitsu Limited
- Takayoshi ODE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MOBILE SWITCHBOARD, MOBILE UNIT, MOBILE COMMUNICATION SYSTEM, AND P...
- Publication number 20120282928
- Publication date Nov 8, 2012
- Fujitsu Limited
- Shinichiro Aikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MOBILE SWITCHBOARD, MOBILE UNIT, MOBILE COMMUNICATION SYSTEM, AND P...
- Publication number 20110319078
- Publication date Dec 29, 2011
- Fujitsu Limited
- Shinichiro Aikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MOBILE SWITCHBOARD, MOBILE UNIT, MOBILE COMMUNICATION SYSTEM, AND P...
- Publication number 20090286537
- Publication date Nov 19, 2009
- Fujitsu Limited
- Shinichiro Aikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Base Station And Method For Reducing Transfer Delay
- Publication number 20090253434
- Publication date Oct 8, 2009
- Ritsuo HAYASHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Control method of mobile communication device
- Publication number 20070274277
- Publication date Nov 29, 2007
- Yoshiko Koizumi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Network system, data transmission device, terminal device and multi...
- Publication number 20060059407
- Publication date Mar 16, 2006
- FUJITSU LIMITED
- Tingting Wang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Mobile switchboard, mobile unit, mobile communication system, and p...
- Publication number 20050186961
- Publication date Aug 25, 2005
- Shinichiro Aikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Yoshiko Koizumi

Person

Patents Grantslast 30 patents

Mobile switchboard, mobile unit, mobile communication system, and p...

Mobile switchboard, mobile unit, mobile communication system, and p...

Mobile switchboard, mobile unit, mobile communication system, and p...

Communication monitoring and controlling apparatus

Patents Applicationslast 30 patents

BASE STATION DEVICE, MOBILE STATION DEVICE, SERVICE QUALITY CONTROL...

MOBILE SWITCHBOARD, MOBILE UNIT, MOBILE COMMUNICATION SYSTEM, AND P...

MOBILE SWITCHBOARD, MOBILE UNIT, MOBILE COMMUNICATION SYSTEM, AND P...

MOBILE SWITCHBOARD, MOBILE UNIT, MOBILE COMMUNICATION SYSTEM, AND P...

Base Station And Method For Reducing Transfer Delay

Control method of mobile communication device

Network system, data transmission device, terminal device and multi...

Mobile switchboard, mobile unit, mobile communication system, and p...