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Yasuhiro Kato
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Yokoham-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Mobile station
Patent number
8,923,845
Issue date
Dec 30, 2014
NTT DoCoMo, Inc.
Itsuma Tanaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Retransmission request transmitting method and receiving-side appar...
Patent number
8,917,728
Issue date
Dec 23, 2014
NTT DoCoMo, Inc.
Anil Umesh
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Handover method and radio base station
Patent number
8,725,149
Issue date
May 13, 2014
NTT DoCoMo, Inc.
Masayuki Motegi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Tracking area setting apparatus, user equipment, and tracking area...
Patent number
8,670,375
Issue date
Mar 11, 2014
NTT DoCoMo, Inc.
Mikio Iwamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Base station and handover control method
Patent number
8,666,413
Issue date
Mar 4, 2014
NTT DoCoMo, Inc.
Yasuhiro Kato
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Logical interface establishing method, radio base station, and comm...
Patent number
8,649,323
Issue date
Feb 11, 2014
NTT DoCoMo, Inc.
Mikio Iwamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Mobile communication method and radio base station
Patent number
8,504,045
Issue date
Aug 6, 2013
NTT DoCoMo, Inc.
Wuri Andarmawanti Hapsari
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Mobile communication system, base station, access gateway, and trac...
Patent number
8,504,049
Issue date
Aug 6, 2013
NTT DoCoMo, Inc.
Mikio Iwamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Handover control apparatus, mobile communication system, and handov...
Patent number
8,478,274
Issue date
Jul 2, 2013
NTT DoCoMo, Inc.
Yasuhiro Kato
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Mobile station for cell selection and detecting radio link failure
Patent number
8,447,298
Issue date
May 21, 2013
NTT DoCoMo, Inc.
Itsuma Tanaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Mobile station
Patent number
8,412,181
Issue date
Apr 2, 2013
NTT DoCoMo, Inc.
Itsuma Tanaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Mobile station, radio access network apparatus, mobile communicatio...
Patent number
8,340,028
Issue date
Dec 25, 2012
NTT DoCoMo, Inc.
Minami Ishii
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Transmission process restriction method, mobile communication syste...
Patent number
8,315,596
Issue date
Nov 20, 2012
NTT DoCoMo, Inc.
Kazunori Obata
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Trace reporting method, tracking area assigning method, user termin...
Patent number
8,275,392
Issue date
Sep 25, 2012
NTT DoCoMo, Inc.
Mikio Iwamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Cell information transmission method and user apparatus in mobile c...
Patent number
8,275,380
Issue date
Sep 25, 2012
NTT DoCoMo, Inc.
Mikio Iwamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Mobile communication method, radio base station and upper node
Patent number
8,208,923
Issue date
Jun 26, 2012
NTT DoCoMo, Inc.
Masayuki Motegi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Channel assignment apparatus and channel assignment method
Patent number
8,189,519
Issue date
May 29, 2012
NTT DoCoMo, Inc.
Masayuki Motegi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Base station, mobile station, and cell determination method
Patent number
8,155,681
Issue date
Apr 10, 2012
NTT DoCoMo, Inc.
Mikio Iwamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus and method for channel transmission
Patent number
8,130,740
Issue date
Mar 6, 2012
NTT DoCoMo, Inc.
Masayuki Motegi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication path switching system and method
Patent number
8,111,664
Issue date
Feb 7, 2012
NTT DoCoMo, Inc.
Masafumi Masuda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Packet scheduling method, base station, and mobile station in mobil...
Patent number
8,102,821
Issue date
Jan 24, 2012
NTT DoCoMo, Inc.
Yasuhiro Kato
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Radio base station and user common data transmission method
Patent number
8,023,460
Issue date
Sep 20, 2011
NTT DoCoMo, Inc.
Masayuki Motegi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Data transmission system, data transmission method, and base statio...
Patent number
7,903,630
Issue date
Mar 8, 2011
NTT DoCoMo, Inc.
Masayuki Motegi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Mobile node, base station, router and packet communication system t...
Patent number
7,864,755
Issue date
Jan 4, 2011
NTT DoCoMo, Inc.
Hideaki Takahashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication system, mobile terminal, relay apparatus, and transfe...
Patent number
7,664,878
Issue date
Feb 16, 2010
NTT DoCoMo, Inc.
Hideaki Takahashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Mobile communication system, mobile station device, and network-sid...
Patent number
7,539,174
Issue date
May 26, 2009
NTT DoCoMo, Inc.
Koji Hosaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Packet communications system
Patent number
7,477,604
Issue date
Jan 13, 2009
NTT DoCoMo, Inc.
Sung Uk Moon
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Mobile communication system and control station
Patent number
7,406,326
Issue date
Jul 29, 2008
NTT DoCoMo, Inc.
Yasuhiro Kato
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Transmission rate switching control method for mobile communication...
Patent number
7,203,498
Issue date
Apr 10, 2007
NTT DoCoMo, Inc.
Yasuhiro Kato
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless channel setting method for mobile communication system and...
Patent number
7,088,960
Issue date
Aug 8, 2006
NTT DoCoMo, Inc.
Yasuhiro Kato
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
BASE STATION APPARATUS, USER EQUIPMENT, AND METHOD USED IN MOBILE C...
Publication number
20130331104
Publication date
Dec 12, 2013
NTT DoCoMo, Inc.
Mikio Iwamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
BASE STATION APPARATUS, USER EQUIPMENT, AND METHOD USED IN MOBILE C...
Publication number
20130143571
Publication date
Jun 6, 2013
Mikio Iwamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
VPN DEVICE AND VPN NETWORKING METHOD
Publication number
20120113977
Publication date
May 10, 2012
PANASONIC CORPORATION
Hiroyuki Shimoosawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MOBILE STATION
Publication number
20110237245
Publication date
Sep 29, 2011
NTT DoCoMo, Inc.
Itsuma Tanaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MOBILE STATION
Publication number
20110230183
Publication date
Sep 22, 2011
NTT DoCoMo, Inc.
Itsuma Tanaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MOBILE STATION
Publication number
20110230185
Publication date
Sep 22, 2011
NTT DoCoMo, Inc.
Itsuma Tanaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
TRANSMISSION METHOD AND MOBILE STATION
Publication number
20110044241
Publication date
Feb 24, 2011
NTT DoCoMo, Inc.
Wuri Andarmawanti Hapsari
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MOBILE COMMUNICATION METHOD AND RADIO BASE STATION
Publication number
20100297998
Publication date
Nov 25, 2010
NTT DoCoMo, Inc.
Wuri Andarmawanti Hapsari
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
BASE STATION, MOBILE STATION, AND CELL DETERMINATION METHOD
Publication number
20100291956
Publication date
Nov 18, 2010
NTT DoCoMo, Inc.
Mikio Iwamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
TRANSMISSION PROCESS RESTRICTION METHOD, MOBILE COMMUNICATION SYSTE...
Publication number
20100273496
Publication date
Oct 28, 2010
NTT DoCoMo, Inc.
Kazunori Obata
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
RETRANSMISSION REQUEST TRANSMITTING METHOD AND RECEIVING-SIDE APPAR...
Publication number
20100118779
Publication date
May 13, 2010
NTT DoCoMo, Inc.
Anil Umesh
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
TRACKING AREA SETTING APPARATUS, USER EQUIPMENT, AND TRACKING AREA...
Publication number
20100120448
Publication date
May 13, 2010
NTT DoCoMo, Inc.
Mikio Iwamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MOBILE COMMUNICATION METHOD, RADIO BASE STATION AND UPPER NODE
Publication number
20100113022
Publication date
May 6, 2010
NTT DoCoMo, Inc.
Masayuki Motegi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
BASE STATION APPARATUS, USER EQUIPMENT, AND METHOD USED IN MOBILE C...
Publication number
20100105377
Publication date
Apr 29, 2010
NTT DoCoMo, Inc.
Mikio Iwamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CELL INFORMATION TRANSMISSION METHOD AND USER APPARATUS IN MOBILE C...
Publication number
20100075684
Publication date
Mar 25, 2010
NTT DoCoMo, Inc.
Mikio Iwamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
HANDOVER METHOD AND RADIO BASE STATION
Publication number
20100062774
Publication date
Mar 11, 2010
NTT DoCoMo, Inc.
Masayuki Motegi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MOBILE COMMUNICATION SYSTEM, BASE STATION, ACCESS GATEWAY, AND TRAC...
Publication number
20100048141
Publication date
Feb 25, 2010
NTT DoCoMo, Inc.
Mikio Iwamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
LOGICAL INTERFACE ESTABLISHING METHOD, RADIO BASE STATION, AND COMM...
Publication number
20100046433
Publication date
Feb 25, 2010
NTT DoCoMo, Inc.
Mikio Iwamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
BASE STATION, USER DEVICE, AND TRACKING AREA SETTING METHOD
Publication number
20100035654
Publication date
Feb 11, 2010
NTT DoCoMo, Inc.
Mikio Iwamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MOBILE STATION, BASE STATION, AND PROPAGATION CONDITION COLLECTING...
Publication number
20100035642
Publication date
Feb 11, 2010
NTT DoCoMo, Inc.
Mikio Iwamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
TRACE REPORTING METHOD, TRACKING AREA ASSIGNING METHOD, USER TERMIN...
Publication number
20100029298
Publication date
Feb 4, 2010
NTT DoCoMo, Inc.
Mikio Iwamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
UPPER NODE STATION AND PACKET TRANSMISSION METHOD
Publication number
20100008238
Publication date
Jan 14, 2010
NTT DoCoMo, Inc.
Atsushi Harada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
HANDOVER CONTROL APPARATUS, MOBILE COMMUNICATION SYSTEM, AND HANDOV...
Publication number
20090305704
Publication date
Dec 10, 2009
NTT DoCoMo, Inc.
Yasuhiro Kato
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DATA TRANSMITTING SYSTEM, DATA TRANSMITTING METHOD, BASE STATION AN...
Publication number
20090285144
Publication date
Nov 19, 2009
NTT DOCOMO, INC.
Masayuki Motegi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PACKET SCHEDULING METHOD, BASE STATION, AND MOBILE STATION IN MOBIL...
Publication number
20090274124
Publication date
Nov 5, 2009
NTT DoCoMo, Inc.
Yasuhiro Kato
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DATA TRANSFER METHOD AND BASE STATION
Publication number
20090262701
Publication date
Oct 22, 2009
NTT DoCoMo, Inc.
Masayuki Motegi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
BASE STATION, PATH CONTROL APPARATUS AND HANDOVER CONTROL METHOD
Publication number
20090245201
Publication date
Oct 1, 2009
NTT DoCoMo, Inc.
Masayuki Motegi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
BASE STATION AND HANDOVER CONTROL METHOD
Publication number
20090239538
Publication date
Sep 24, 2009
NTT DoCoMo, Inc.
Masayuki Motegi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MOBILE STATION, WIRELESS ACCESS NETWORK APPARATUS, MOBILE COMMUNICA...
Publication number
20090219862
Publication date
Sep 3, 2009
NTT DoCoMo, Inc.
Minami Ishii
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CHANNEL TRANSMISSION APPARATUS AND CHANNEL TRANSMISSION METHOD
Publication number
20090219906
Publication date
Sep 3, 2009
NTT DoCoMo, Inc.
Masayuki Motegi
H04 - ELECTRIC COMMUNICATION TECHNIQUE