OSAMU KUROKAWA

Person

TOKYO, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Time synchronization system, management device, time synchronizatio...
- Patent number 11,927,923
- Issue date Mar 12, 2024
- Nippon Telegraph and Telephone Corporation
- Takaaki Hisashima
- G01 - MEASURING TESTING
Information Patent Grant
Clock frequency monitoring device and clock frequency monitoring me...
- Patent number 11,815,552
- Issue date Nov 14, 2023
- Nippon Telegraph and Telephone Corporation
- Takaaki Hisashima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Time path selection device and time path selection method
- Patent number 11,240,141
- Issue date Feb 1, 2022
- Nippon Telegraph and Telephone Corporation
- Ryuta Sugiyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Time synchronization system and time synchronization method
- Patent number 11,196,535
- Issue date Dec 7, 2021
- Nippon Telegraph and Telephone Corporation
- Hiroki Sakuma
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Time synchronization device and time synchronization method
- Patent number 11,196,499
- Issue date Dec 7, 2021
- Nippon Telegraph and Telephone Corporation
- Kaoru Arai
- G04 - HOROLOGY
Information Patent Grant
Time synchronization system and time synchronization method
- Patent number 11,196,533
- Issue date Dec 7, 2021
- Nippon Telegraph and Telephone Corporation
- Hiroki Sakuma
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Communication system
- Patent number 9,900,818
- Issue date Feb 20, 2018
- NEC Corporation
- Yusuke Miyagawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system and apparatus for providing supplementary serv...
- Patent number 9,609,494
- Issue date Mar 28, 2017
- NEC Corporation
- Osamu Kurokawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system
- Patent number 9,532,292
- Issue date Dec 27, 2016
- NEC Corporation
- Yusuke Miyagawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Service control apparatus, relay apparatus, femtocell base station,...
- Patent number 9,264,882
- Issue date Feb 16, 2016
- NEC Corporation
- Yusuke Miyagawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system, femto base station, call session control serv...
- Patent number 9,215,576
- Issue date Dec 15, 2015
- NEC Corporation
- Osamu Kurokawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system for checking for unauthorized use of a terminal
- Patent number 9,191,387
- Issue date Nov 17, 2015
- NEC Corporation
- Osamu Kurokawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Femtocell base station, gateway system, MAP-GW apparatus, communica...
- Patent number 9,088,880
- Issue date Jul 21, 2015
- NEC Corporation
- Osamu Kurokawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system, femtocell base station, authentication appara...
- Patent number 9,055,437
- Issue date Jun 9, 2015
- NEC Corporation
- Osamu Kurokawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system and apparatus for providing supplementary serv...
- Patent number 9,019,988
- Issue date Apr 28, 2015
- NEC Corporation
- Osamu Kurokawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Broadcast distribution control device, call status control device,...
- Patent number 8,880,094
- Issue date Nov 4, 2014
- NEC Corporation
- Osamu Kurokawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system, femto-cell base station, authentication devic...
- Patent number 8,699,416
- Issue date Apr 15, 2014
- NEC Corporation
- Osamu Kurokawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system, femto-cell base station, and communication me...
- Patent number 8,670,443
- Issue date Mar 11, 2014
- NEC Corporation
- Osamu Kurokawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Femtocell communication system, apparatus, control method, and program
- Patent number 8,649,767
- Issue date Feb 11, 2014
- NEC Corporation
- Osamu Kurokawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system, Femto Access Point and communication method
- Patent number 8,620,378
- Issue date Dec 31, 2013
- NEC Corporation
- Osamu Kurokawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mobile radio communication apparatus having a plurality of MINs
- Patent number 6,516,201
- Issue date Feb 4, 2003
- Kabushiki Kaisha Toshiba
- Masatomo Kanbara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Dual-mode radio connected to an apparatus for communicating through...
- Patent number 6,449,499
- Issue date Sep 10, 2002
- Kabushiki Kaisha Toshiba
- Akira Ishikura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Handsfree unit
- Patent number 6,154,639
- Issue date Nov 28, 2000
- Kabushiki Kaisha Toshiba
- Takuya Kanazumi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Terminal connecting device having an auto data receiving function
- Patent number 5,446,782
- Issue date Aug 29, 1995
- Kabushiki Kaisha Toshiba
- Osamu Kurokawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telephone with hands-free operation
- Patent number 5,398,281
- Issue date Mar 14, 1995
- Kabushiki Kaisha Toshiba
- Osamu Kurokawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Shielding apparatus for a printed circuit board
- Patent number 4,739,453
- Issue date Apr 19, 1988
- Kabushiki Kaisha Toshiba
- Osamu Kurokawa
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
TIME SYNCHRONIZATION SYSTEM AND TIME SYNCHRONIZATION METHOD
- Publication number 20210314134
- Publication date Oct 7, 2021
- Nippon Telegraph and Telephone Corporation
- Hiroki SAKUMA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CLOCK FREQUENCY MONITORING DEVICE AND CLOCK FREQUENCY MONITORING ME...
- Publication number 20210302499
- Publication date Sep 30, 2021
- Takaaki HISASHIMA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
TIME SYNCHRONIZATION SYSTEM, MANAGEMENT DEVICE, TIME SYNCHRONIZATIO...
- Publication number 20210072707
- Publication date Mar 11, 2021
- Nippon Telegraph and Telephone Corporation
- Takaaki Hisashima
- G01 - MEASURING TESTING
Information Patent Application
TIME SYNCHRONIZATION SYSTEM AND TIME SYNCHRONIZATION METHOD
- Publication number 20210058223
- Publication date Feb 25, 2021
- Nippon Telegraph and Telephone Corporation
- Hiroki SAKUMA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
TIME SYNCHRONIZATION DEVICE AND TIME SYNCHRONIZATION METHOD
- Publication number 20210021362
- Publication date Jan 21, 2021
- Nippon Telegraph and Telephone Corporation
- Kaoru ARAI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Time Path Selection Device and Time Path Selection Method
- Publication number 20200403901
- Publication date Dec 24, 2020
- Nippon Telegraph and Telephone Corporation
- Ryuta SUGIYAMA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION SYSTEM AND APPARATUS FOR PROVIDING SUPPLEMENTARY SERV...
- Publication number 20150201315
- Publication date Jul 16, 2015
- NEC Corporation
- Osamu KUROKAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION SYSTEM
- Publication number 20140219252
- Publication date Aug 7, 2014
- NEC Corporation
- Yusuke Miyagawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION SYSTEM
- Publication number 20140213260
- Publication date Jul 31, 2014
- NEC Corporation
- Yusuke Miyagawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
FEMTOCELL COMMUNICATION SYSTEM, APPARATUS, CONTROL METHOD, AND PROGRAM
- Publication number 20140038565
- Publication date Feb 6, 2014
- NEC Corporation
- OSAMU KUROKAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
FEMTOCELL COMMUNICATION SYSTEM, APPARATUS, CONTROL METHOD, AND PROGRAM
- Publication number 20140038595
- Publication date Feb 6, 2014
- NEC Corporation
- OSAMU KUROKAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SERVICE CONTROL APPARATUS, RELAY APPARATUS, FEMTOCELL BASE STATION,...
- Publication number 20130310028
- Publication date Nov 21, 2013
- NEC Corporation
- Yusuke Miyagawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION SYSTEM, GATEWAY DEVICE, FEMTO ACCESS POINT, COMMUNICA...
- Publication number 20130072199
- Publication date Mar 21, 2013
- NEC Corporation
- Yusuke Miyagawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
BROADCAST DISTRIBUTION CONTROL DEVICE, CALL STATUS CONTROL DEVICE,...
- Publication number 20130065606
- Publication date Mar 14, 2013
- NEC Corporation
- Osamu Kurokawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION SYSTEM AND APPARATUS FOR PROVIDING SUPPLEMENTARY SERV...
- Publication number 20120270529
- Publication date Oct 25, 2012
- NEC Corporation
- Osamu Kurokawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION SYSTEM
- Publication number 20120258686
- Publication date Oct 11, 2012
- NEC Corporation
- Osamu Kurokawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
FEMTOCELL BASE STATION, GATEWAY SYSTEM, MAP-GW APPARATUS, COMMUNICA...
- Publication number 20120258743
- Publication date Oct 11, 2012
- NEC Corporation
- Osamu Kurokawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION SYSTEM, FEMTO-CELL BASE STATION, AND COMMUNICATION ME...
- Publication number 20120002649
- Publication date Jan 5, 2012
- Osamu Kurokawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION SYSTEM, FEMTO-CELL BASE STATION, AUTHENTICATION DEVIC...
- Publication number 20110305196
- Publication date Dec 15, 2011
- Osamu Kurokawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION SYSTEM, FEMTO BASE STATION, CALL SESSION CONTROL SERV...
- Publication number 20110269420
- Publication date Nov 3, 2011
- Osamu Kurokawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
FEMTOCELL COMMUNICATION SYSTEM, APPARATUS, CONTROL METHOD, AND PROGRAM
- Publication number 20110269427
- Publication date Nov 3, 2011
- Osamu Kurokawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION SYSTEM, FEMTOCELL BASE STATION, AUTHENTICATION APPARA...
- Publication number 20110268277
- Publication date Nov 3, 2011
- Osamu Kurokawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION SYSTEM, FEMTO ACCESS POINT AND COMMUNICATION METHOD
- Publication number 20110269483
- Publication date Nov 3, 2011
- Osamu Kurokawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MOBILE RADIO COMMUNICATION APPARATUS HAVING A PLURALITY OF MINS
- Publication number 20010053702
- Publication date Dec 20, 2001
- MASATOMO KANBARA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

OSAMU KUROKAWA

Person

Patents Grantslast 30 patents

Time synchronization system, management device, time synchronizatio...

Clock frequency monitoring device and clock frequency monitoring me...

Time path selection device and time path selection method

Time synchronization system and time synchronization method

Time synchronization device and time synchronization method

Time synchronization system and time synchronization method

Communication system

Communication system and apparatus for providing supplementary serv...

Communication system

Service control apparatus, relay apparatus, femtocell base station,...

Communication system, femto base station, call session control serv...

Communication system for checking for unauthorized use of a terminal

Femtocell base station, gateway system, MAP-GW apparatus, communica...

Communication system, femtocell base station, authentication appara...

Communication system and apparatus for providing supplementary serv...

Broadcast distribution control device, call status control device,...

Communication system, femto-cell base station, authentication devic...

Communication system, femto-cell base station, and communication me...

Femtocell communication system, apparatus, control method, and program

Communication system, Femto Access Point and communication method

Mobile radio communication apparatus having a plurality of MINs

Dual-mode radio connected to an apparatus for communicating through...

Handsfree unit

Terminal connecting device having an auto data receiving function

Telephone with hands-free operation

Shielding apparatus for a printed circuit board

Patents Applicationslast 30 patents

TIME SYNCHRONIZATION SYSTEM AND TIME SYNCHRONIZATION METHOD

CLOCK FREQUENCY MONITORING DEVICE AND CLOCK FREQUENCY MONITORING ME...

TIME SYNCHRONIZATION SYSTEM, MANAGEMENT DEVICE, TIME SYNCHRONIZATIO...

TIME SYNCHRONIZATION SYSTEM AND TIME SYNCHRONIZATION METHOD

TIME SYNCHRONIZATION DEVICE AND TIME SYNCHRONIZATION METHOD

Time Path Selection Device and Time Path Selection Method

COMMUNICATION SYSTEM AND APPARATUS FOR PROVIDING SUPPLEMENTARY SERV...

COMMUNICATION SYSTEM

COMMUNICATION SYSTEM

FEMTOCELL COMMUNICATION SYSTEM, APPARATUS, CONTROL METHOD, AND PROGRAM

FEMTOCELL COMMUNICATION SYSTEM, APPARATUS, CONTROL METHOD, AND PROGRAM

SERVICE CONTROL APPARATUS, RELAY APPARATUS, FEMTOCELL BASE STATION,...

COMMUNICATION SYSTEM, GATEWAY DEVICE, FEMTO ACCESS POINT, COMMUNICA...

BROADCAST DISTRIBUTION CONTROL DEVICE, CALL STATUS CONTROL DEVICE,...

COMMUNICATION SYSTEM AND APPARATUS FOR PROVIDING SUPPLEMENTARY SERV...

COMMUNICATION SYSTEM

FEMTOCELL BASE STATION, GATEWAY SYSTEM, MAP-GW APPARATUS, COMMUNICA...

COMMUNICATION SYSTEM, FEMTO-CELL BASE STATION, AND COMMUNICATION ME...

COMMUNICATION SYSTEM, FEMTO-CELL BASE STATION, AUTHENTICATION DEVIC...

COMMUNICATION SYSTEM, FEMTO BASE STATION, CALL SESSION CONTROL SERV...

FEMTOCELL COMMUNICATION SYSTEM, APPARATUS, CONTROL METHOD, AND PROGRAM

COMMUNICATION SYSTEM, FEMTOCELL BASE STATION, AUTHENTICATION APPARA...

COMMUNICATION SYSTEM, FEMTO ACCESS POINT AND COMMUNICATION METHOD

MOBILE RADIO COMMUNICATION APPARATUS HAVING A PLURALITY OF MINS