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Hirotake ISHII
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Patents Grants
last 30 patents
Information
Patent Grant
Vehicle control system
Patent number
11,789,450
Issue date
Oct 17, 2023
Hitachi Construction Machinery Co., Ltd.
Hirotake Ishii
G08 - SIGNALLING
Information
Patent Grant
Wireless communication base station and wireless communication method
Patent number
9,350,830
Issue date
May 24, 2016
Hitachi, Ltd.
Shigenori Hayase
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Mobility control method mitigating inter cell interference and base...
Patent number
9,161,277
Issue date
Oct 13, 2015
Hitachi, Ltd.
Tomonori Yamamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Radio system and radio communication method
Patent number
8,971,234
Issue date
Mar 3, 2015
Hitachi, Ltd.
Hirotake Ishii
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Base station and cellular wireless communication system
Patent number
8,818,443
Issue date
Aug 26, 2014
Hitachi, Ltd.
Tomonori Yamamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless communication system, base station and network control app...
Patent number
8,660,049
Issue date
Feb 25, 2014
Hitachi, Ltd.
Rintaro Katayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Transmit power control method for reducing cellular interference in...
Patent number
8,560,000
Issue date
Oct 15, 2013
Hitachi, Ltd.
Rintaro Katayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless communication system and load balancing aware handover met...
Patent number
8,463,272
Issue date
Jun 11, 2013
Hitachi, Ltd.
Tomonori Yamamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Resource assignment method and communication apparatus for wireless...
Patent number
8,462,718
Issue date
Jun 11, 2013
Hitachi, Ltd.
Satoshi Tamaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Radio base station and radio mobile station
Patent number
8,238,286
Issue date
Aug 7, 2012
Hitachi, Ltd.
Hirotake Ishii
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Orthogonal frequency division multiplexing demodulator
Patent number
8,229,042
Issue date
Jul 24, 2012
Hitachi, Ltd.
Koichi Aratani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Radio communication apparatus with a bus dedicated to data transmis...
Patent number
8,165,620
Issue date
Apr 24, 2012
Hitachi, Ltd.
Katsuhiko Tsunehara
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Software defined radio and library configuration therefor
Patent number
7,756,489
Issue date
Jul 13, 2010
Hitachi, Ltd.
Takashi Ishikawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Software defined radio system
Patent number
7,403,580
Issue date
Jul 22, 2008
Hitachi, Ltd.
Hirotake Ishii
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Software-defined radio apparatus
Patent number
7,346,330
Issue date
Mar 18, 2008
Hitachi, Ltd.
Manabu Kawabe
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless communication receiver
Patent number
7,194,244
Issue date
Mar 20, 2007
Renesas Technology Corporation
Yukinori Akamine
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for digital signal recording and/or reproduction
Patent number
5,552,940
Issue date
Sep 3, 1996
Hitachi, Ltd.
Masuo Umemoto
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
Vehicle Control System
Publication number
20240163764
Publication date
May 16, 2024
Hitachi Construction Machinery Co., Ltd.
Hirotake ISHII
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Vehicle Control System
Publication number
20230202512
Publication date
Jun 29, 2023
Hitachi Construction Machinery Co., Ltd.
Hirotake ISHII
B60 - VEHICLES IN GENERAL
Information
Patent Application
Vehicle Control System
Publication number
20220308589
Publication date
Sep 29, 2022
Hitachi Construction Machinery Co., Ltd.
Hirotake ISHII
G05 - CONTROLLING REGULATING
Information
Patent Application
BASE STATION AND RADIO COMMUNICATION METHOD
Publication number
20150257160
Publication date
Sep 10, 2015
Hitachi, Ltd
Hitoshi ISHIDA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATION DEVICE, RADIO COMMUNICATION SYSTEM, RADIO COMMUNICATI...
Publication number
20140369216
Publication date
Dec 18, 2014
Tsuyoshi TAMAKI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS COMMUNICATION BASE STATION AND WIRELESS COMMUNICATION METHOD
Publication number
20140201754
Publication date
Jul 17, 2014
Hitachi, Ltd
Shigenori HAYASE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
RADIO SYSTEM AND RADIO COMMUNICATION METHOD
Publication number
20120176955
Publication date
Jul 12, 2012
Hitachi, Ltd.
Hirotake ISHII
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Base Station and Cellular Wireless Communication System
Publication number
20120028630
Publication date
Feb 2, 2012
Hitachi, Ltd
Tomonori YAMAMOTO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method of Resource Assignment for Radio Communication System and Ba...
Publication number
20110310758
Publication date
Dec 22, 2011
Hitachi, Ltd
Satoshi Tamaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS COMMUNICATION SYSTEM AND LOAD BALANCING AWARE HANDOVER MET...
Publication number
20110244866
Publication date
Oct 6, 2011
Hitachi, Ltd.
Tomonori Yamamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MOBILITY CONTROL METHOD MITIGATING INTER CELL INTERFERENCE AND BASE...
Publication number
20110211560
Publication date
Sep 1, 2011
Hitachi, Ltd.
Tomonori Yamamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS COMMUNICATION SYSTEM, BASE STATION AND NETWORK CONTROL APP...
Publication number
20110211519
Publication date
Sep 1, 2011
Hitachi, Ltd.
Rintaro KATAYAMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
TRANSMIT POWER CONTROL METHOD FOR RADIO COMMUNICATION SYSTEM AND RA...
Publication number
20110212744
Publication date
Sep 1, 2011
Hitachi, Ltd.
Rintaro KATAYAMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
RADIO COMMUNICATION SYSTEM, BASE STATION AND MOBILE STATION
Publication number
20100311430
Publication date
Dec 9, 2010
Hitachi, Ltd
Rintaro KATAYAMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
RESOURCE ASSIGNMENT METHOD AND COMMUNICATION APPARATUS FOR WIRELESS...
Publication number
20100309864
Publication date
Dec 9, 2010
Hitachi, Ltd
Satoshi TAMAKI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS COMMUNICATION SYSTEM, BASE STATION AND MOBILE STATION
Publication number
20100309866
Publication date
Dec 9, 2010
Hitachi, Ltd
Rintaro KATAYAMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING DEMODULATOR
Publication number
20100086084
Publication date
Apr 8, 2010
Koichi ARATANI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Radio Base Station and Radio Mobile Station
Publication number
20100054116
Publication date
Mar 4, 2010
Hirotake ISHII
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Wireless communication receiver
Publication number
20070142012
Publication date
Jun 21, 2007
Yukinori Akamine
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Software defined radio and library configuration therefor
Publication number
20060199550
Publication date
Sep 7, 2006
Hitachi, Ltd. and Hitachi Communication Technologies, Ltd.
Takashi Ishikawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Software-defined radio apparatus
Publication number
20060052094
Publication date
Mar 9, 2006
Manabu Kawabe
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Radio communication apparatus with a bus dedicated to data transmis...
Publication number
20060046771
Publication date
Mar 2, 2006
Katsuhiko Tsunehara
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Software defined radio system
Publication number
20060045212
Publication date
Mar 2, 2006
Hitachi, Ltd.
Hirotake Ishii
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Wireless communication device having wireless module compatible wit...
Publication number
20050272464
Publication date
Dec 8, 2005
Takashi Ishikawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Wireless communication receiver
Publication number
20030064696
Publication date
Apr 3, 2003
Yukinori Akamine
H04 - ELECTRIC COMMUNICATION TECHNIQUE