Masayuki Takekawa

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Radio communication system and radio communication method
- Patent number 12,114,248
- Issue date Oct 8, 2024
- Hitachi Kokusai Electric Inc.
- Masayuki Takekawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wireless communication system, wireless communication method, and m...
- Patent number 11,653,297
- Issue date May 16, 2023
- Hitachi Kokusai Electric Inc.
- Masayuki Takekawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wireless communication system and wireless communication method
- Patent number 10,374,688
- Issue date Aug 6, 2019
- Hitachi Kokusai Electric Inc.
- Kei Yanagisawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for adjusting transmission timing in multiple access system
- Patent number 10,070,406
- Issue date Sep 4, 2018
- Hitachi Kokusai Electric, Inc.
- Masayuki Takekawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
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
Wireless communication system
- Patent number 9,743,412
- Issue date Aug 22, 2017
- Hitachi Kokusai Electric, Inc.
- Kei Yanagisawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Selecting white space frequency based on preamble cycle length
- Patent number 9,713,171
- Issue date Jul 18, 2017
- Hitachi Kokusai Electric Inc.
- Kei Yanagisawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wireless communication system
- Patent number 9,661,644
- Issue date May 23, 2017
- Hitachi Kokusai Electric, Inc.
- Masayuki Takekawa
- 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 9,467,867
- Issue date Oct 11, 2016
- Hitachi Kokusai Electric, Inc.
- Keigo Hasegawa
- 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

Patents Applicationslast 30 patents

Information Patent Application
WIRELESS COMMUNICATION CONTROL APPARATUS, WIRELESS COMMUNICATION SY...
- Publication number 20240322967
- Publication date Sep 26, 2024
- NEC Corporation
- Kei YANAGISAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RADIO COMMUNICATION SYSTEM AND RADIO COMMUNICATION METHOD
- Publication number 20240073776
- Publication date Feb 29, 2024
- MASAYUKI TAKEKAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WIRELESS COMMUNICATION SYSTEM, WIRELESS COMMUNICATION METHOD, AND M...
- Publication number 20230048435
- Publication date Feb 16, 2023
- Hitachi Kokusai Electric Inc.
- Masayuki TAKEKAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WIRELESS COMMUNICATION SYSTEM AND WIRELESS COMMUNICATION METHOD
- Publication number 20180048379
- Publication date Feb 15, 2018
- Hitachi Kokusai Electric Inc.
- Kei YANAGISAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD FOR ADJUSTING TRANSMISSION TIMING IN MULTIPLE ACCESS SYSTEM
- Publication number 20170013582
- Publication date Jan 12, 2017
- Hitachi Kokusai Electric Inc.
- Masayuki TAKEKAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WIRELESS COMMUNICATION SYSTEM
- Publication number 20160277938
- Publication date Sep 22, 2016
- Hitachi Kokusai Electric Inc.
- Keigo HASEGAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WIRELESS COMMUNICATION SYSTEM AND WIRELESS COMMUNICATION METHOD
- Publication number 20160227584
- Publication date Aug 4, 2016
- Hitachi Kokusai Electric Inc.
- Kei YANAGISAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
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 20160135196
- Publication date May 12, 2016
- Hitachi Kokusai Electric Inc.
- Masayuki TAKEKAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WIRELESS COMMUNICATION SYSTEM AND WIRELESS COMMUNICATION METHOD
- Publication number 20160007358
- Publication date Jan 7, 2016
- Hitachi Kokusai Electric Inc.
- Kei YANAGISAWA
- 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
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

Masayuki Takekawa

Person

Patents Grantslast 30 patents

Radio communication system and radio communication method

Wireless communication system, wireless communication method, and m...

Wireless communication system and wireless communication method

Method for adjusting transmission timing in multiple access system

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

Wireless communication system

Selecting white space frequency based on preamble cycle length

Wireless communication system

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

Wireless communication system

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

Patents Applicationslast 30 patents

WIRELESS COMMUNICATION CONTROL APPARATUS, WIRELESS COMMUNICATION SY...

RADIO COMMUNICATION SYSTEM AND RADIO COMMUNICATION METHOD

WIRELESS COMMUNICATION SYSTEM, WIRELESS COMMUNICATION METHOD, AND M...

WIRELESS COMMUNICATION SYSTEM AND WIRELESS COMMUNICATION METHOD

METHOD FOR ADJUSTING TRANSMISSION TIMING IN MULTIPLE ACCESS SYSTEM

WIRELESS COMMUNICATION SYSTEM

WIRELESS COMMUNICATION SYSTEM AND WIRELESS COMMUNICATION METHOD

WIRELESS COMMUNICATION SYSTEM

WIRELESS COMMUNICATION SYSTEM

WIRELESS COMMUNICATION SYSTEM AND WIRELESS COMMUNICATION METHOD

WIRELESS COMMUNICATION SYSTEM

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

WIRELESS COMMUNICATION SYSTEM

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

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

WIRELESS COMMUNICATION SYSTEM AND RECEIVING DEVICE