Keat Beng Toh

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Multichannel wireless communication system, base station, and metho...
- Patent number 9,781,719
- Issue date Oct 3, 2017
- Hitachi Kokusai Electric Inc.
- Keigo Hasegawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Relaying operation between base stations using white spaces in wire...
- Patent number 9,609,523
- Issue date Mar 28, 2017
- Hitachi Kokusai Electric, Inc.
- Masayuki Takekawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wireless communication system
- Patent number 9,438,329
- Issue date Sep 6, 2016
- Hitachi Kokusai Electric Inc.
- Keat Beng Toh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for selecting unlicensed frequency band using hyb...
- Patent number 9,319,888
- Issue date Apr 19, 2016
- Hitachi Kokusai Electric, Inc.
- Keigo Hasegawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multichannel wireless communication system, base station, and chann...
- Patent number 9,185,686
- Issue date Nov 10, 2015
- Hitachi Kokusai Electric Inc.
- Keigo Hasegawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Heterogeneous-systems coexistence method and wireless gateway appar...
- Patent number 9,049,726
- Issue date Jun 2, 2015
- Hitachi Kokusai Electric Inc.
- Keigo Hasegawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wireless communication system and receiving device
- Patent number 8,971,277
- Issue date Mar 3, 2015
- Hitachi Kokusai Electric Inc.
- Masayuki Takekawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication apparatus
- Patent number 8,958,505
- Issue date Feb 17, 2015
- Hitachi Kokusai Electric Inc.
- Satoru Ejima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
WIRELESS COMMUNICATION SYSTEM
- Publication number 20160227418
- Publication date Aug 4, 2016
- Hitachi Kokusai Electric Inc.
- Masayuki TAKEKAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WIRELESS COMMUNICATION SYSTEM
- Publication number 20150311970
- Publication date Oct 29, 2015
- Hitachi Kokusai Electric Inc.
- Keat Beng Toh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MULTICHANNEL WIRELESS COMMUNICATION SYSTEM, BASE STATION, AND METHO...
- Publication number 20150257152
- Publication date Sep 10, 2015
- Hitachi Kokusai Electric Inc.
- Keigo Hasegawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WIRELESS COMMUNICATION SYSTEM
- Publication number 20140112215
- Publication date Apr 24, 2014
- Hitachi Kokusai Electric Inc.
- Keigo Hasegawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION APPARATUS
- Publication number 20130315352
- Publication date Nov 28, 2013
- Hitachi Kokusai Electric Inc.
- Satoru EJIMA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
HETEROGENEOUS-SYSTEMS COEXISTENCE METHOD AND WIRELESS GATEWAY APPAR...
- Publication number 20130235771
- Publication date Sep 12, 2013
- Hitachi Kokusai Electric Inc.
- Keigo HASEGAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MULTICHANNEL WIRELESS COMMUNICATION SYSTEM, BASE STATION, AND CHANN...
- Publication number 20130183989
- Publication date Jul 18, 2013
- Hitachi Kokusai Electric Inc.
- Keigo Hasegawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WIRELESS COMMUNICATION SYSTEM AND RECEIVING DEVICE
- Publication number 20130182660
- Publication date Jul 18, 2013
- Hitachi Kokusai Electric Inc.
- Masayuki Takekawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Keat Beng Toh

Person

Patents Grantslast 30 patents

Multichannel wireless communication system, base station, and metho...

Relaying operation between base stations using white spaces in wire...

Wireless communication system

System and method for selecting unlicensed frequency band using hyb...

Multichannel wireless communication system, base station, and chann...

Heterogeneous-systems coexistence method and wireless gateway appar...

Wireless communication system and receiving device

Communication apparatus

Patents Applicationslast 30 patents

WIRELESS COMMUNICATION SYSTEM

WIRELESS COMMUNICATION SYSTEM

MULTICHANNEL WIRELESS COMMUNICATION SYSTEM, BASE STATION, AND METHO...

WIRELESS COMMUNICATION SYSTEM

COMMUNICATION APPARATUS

HETEROGENEOUS-SYSTEMS COEXISTENCE METHOD AND WIRELESS GATEWAY APPAR...

MULTICHANNEL WIRELESS COMMUNICATION SYSTEM, BASE STATION, AND CHANN...

WIRELESS COMMUNICATION SYSTEM AND RECEIVING DEVICE