Membership
Tour
Register
Log in
Yuji Umemoto
Follow
Person
Hino-shi, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Mobile communication terminal
Patent number
6,819,942
Issue date
Nov 16, 2004
Kabushiki Kaisha Toshiba
Yusuke Aotake
F21 - LIGHTING
Information
Patent Grant
Radio communication apparatus for use in dual-mode radio communicat...
Patent number
6,049,722
Issue date
Apr 11, 2000
Kabushiki Kaisha Toshiba
Yuji Umemoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Digital radio communication apparatus with a RSSI information measu...
Patent number
5,960,335
Issue date
Sep 28, 1999
Kabushiki Kaisha Toshiba
Yuji Umemoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Radio communication apparatus for use in dual-mode radio communicat...
Patent number
5,771,464
Issue date
Jun 23, 1998
Kabushiki Kaisha Toshiba
Yuji Umemoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Speech communication apparatus
Patent number
5,696,819
Issue date
Dec 9, 1997
Kabushiki Kaisha Toshiba
Shinichi Suizu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Speech communication apparatus having an echo canceler
Patent number
5,636,323
Issue date
Jun 3, 1997
Kabushiki Kaisha Toshiba
Yuji Umemoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Digital radio telephone apparatus having an equalizer selectively e...
Patent number
5,450,442
Issue date
Sep 12, 1995
Kabushiki Kaisha Toshiba
Yuji Umemoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Radio tele-communication system using TDMA scheme to reduce signal...
Patent number
5,430,731
Issue date
Jul 4, 1995
Kabushiki Kaisha Toshiba
Yuji Umemoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Dual mode cellular radio communication apparatus having an echo can...
Patent number
5,416,829
Issue date
May 16, 1995
Kabushiki Kaisha Toshiba
Yuji Umemoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Speech communication apparatus equipped with echo canceller
Patent number
5,400,399
Issue date
Mar 21, 1995
Kabushiki Kaisha Toshiba
Yuji Umemoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Unused time slot detection and selection in a mobile radio communic...
Patent number
5,396,496
Issue date
Mar 7, 1995
Kabushiki Kaisha Toshiba
Koichi Ito
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Radiotelephone with handset talking function and hand-free talking...
Patent number
5,379,338
Issue date
Jan 3, 1995
Kabushiki Kaisha Toshiba
Yuji Umemoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Mobile radio communication system
Patent number
5,278,835
Issue date
Jan 11, 1994
Kabushiki Kaisha Toshiba
Koichi Ito
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Dual mode cellular radio communication apparatus having an echo can...
Patent number
5,263,079
Issue date
Nov 16, 1993
Kabushiki Kaisha Toshiba
Yuji Umemoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Cordless telephone system that releases hold state of handset after...
Patent number
5,231,657
Issue date
Jul 27, 1993
Kabushiki Kaisha Toshiba
Yuji Umemoto
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Radio tele-communication system using multichannel access scheme
Patent number
5,210,752
Issue date
May 11, 1993
Kabushiki Kaisha Toshiba
Koichi Ito
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Cordless telephone apparatus having a ringer circuit operable durin...
Patent number
5,111,499
Issue date
May 5, 1992
Kabushiki Kaisha Toshiba
Yuji Umemoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Radio telephone with variable attenuator for controlling modulated...
Patent number
5,046,081
Issue date
Sep 3, 1991
Kabushiki Kaisha Toshiba
Yuji Umemoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Radio telephone system
Patent number
4,939,766
Issue date
Jul 3, 1990
Kabushiki Kaisha Toshiba
Yuji Umemoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Radio communication apparatus
Patent number
4,920,557
Issue date
Apr 24, 1990
Kabushiki Kaisha Toshiba
Yuji Umemoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Howler indicator in cordless telephone system
Patent number
4,788,712
Issue date
Nov 29, 1988
Kabushiki Kaisha Toshiba
Yuji Umemoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Mobile communication terminal
Publication number
20030013499
Publication date
Jan 16, 2003
Yusuke Aotake
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Mobile communication terminal comprising camera
Publication number
20030013484
Publication date
Jan 16, 2003
Kabushiki Kaisha Toshiba
Satoshi Nishimura
H04 - ELECTRIC COMMUNICATION TECHNIQUE