P

Inventor

KAYAMA HIDETOSHI

JP55 patents
⚠️ This page may combine multiple inventors who share the name “KAYAMA HIDETOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NTT DOCOMO INC

38 patents
US7359349B2Apr 15, 2008

Base station, radio resource control equipment, mobile station, communication system, and communication method

NTT DOCOMO INC62 citations98
US7292863B2Nov 6, 2007

Admission control method and device in mobile communication system

NTT DOCOMO INC75 citations98
US7821982B2Oct 26, 2010

Packet communications taking into account channel quality and buffered data amount

NTT DOCOMO INC32 citations93
US7117003B2Oct 3, 2006

Communications control system, communications control method, and mobile station and base station for use therein

NTT DOCOMO INC34 citations93
US7089017B2Aug 8, 2006

Resource control method, mobile communication system, base station and mobile station

NTT DOCOMO INC25 citations93
US7970349B2Jun 28, 2011

Packet communication system, packet communication method, base station, mobile station, control device, and packet communication program

NTT DOCOMO INC19 citations92
US7548519B2Jun 16, 2009

Mobile communication system, mobile communication method, mobile terminal and base station

NTT DOCOMO INC21 citations92
US7076258B2Jul 11, 2006

Location registration method and paging method in mobile communication system, mobile communication system, base station, communication control method, mobile station, and communication control program

NTT DOCOMO INC32 citations92
US7035637B2Apr 25, 2006

Location registration area configuring method, mobile communication system, base station, and location management server

NTT DOCOMO INC31 citations92
US7634272B2Dec 15, 2009

Mobile station, mobile communication system, and cell selection method

NTT DOCOMO INC28 citations91
US7239619B2Jul 3, 2007

Mobile communication system, base station, mobile station, and cell control method

NTT DOCOMO INC22 citations91
US7218950B2May 15, 2007

Base station, mobile station, communication system, transmission control method, and mobile station control program

NTT DOCOMO INC32 citations90
US7965785B2Jun 21, 2011

Uplink multiple-input-multiple-output (MIMO) and cooperative MIMO transmissions

NTT DOCOMO INC13 citations84
US7760680B2Jul 20, 2010

Prioritized communication between base station and mobile unit

NTT DOCOMO INC17 citations84
US7580387B2Aug 25, 2009

Time slot assigning method, signal transmission method, base station control apparatus, base station, and mobile station used in a mobile communications system

NTT DOCOMO INC15 citations84
US7496067B2Feb 24, 2009

Resource allocating method, and base station, mobile station, and radio packet communication system to which the resource allocating method is applied

NTT DOCOMO INC8 citations84
US7483710B2Jan 27, 2009

Transmission power control method, communication device, and radio communication system

NTT DOCOMO INC9 citations84
US7457622B2Nov 25, 2008

Radio base station selection method and system and a radio base station in a mobile communication system

NTT DOCOMO INC9 citations84
US7453841B2Nov 18, 2008

Scramble code allocation method, a radio base station, a mobile station, and a mobile communications system

NTT DOCOMO INC9 citations84
US7417963B2Aug 26, 2008

Resource control system, resource control method, and base station and mobile station suitable for use in the same

NTT DOCOMO INC12 citations84
US9425512B2Aug 23, 2016

Reflectarray and design method

NTT DOCOMO INC7 citations83
US7570684B2Aug 4, 2009

Method for joint time synchronization and frequency offset estimation in OFDM system and apparatus of the same

NTT DOCOMO INC18 citations82
US7801482B2Sep 21, 2010

Packet communication system, packet communication method, base station, mobile station, control device, and packet communication program

NTT DOCOMO INC5 citations74
US7532601B2May 12, 2009

Transmission power control method, radio communication system, base station and mobile station

NTT DOCOMO INC7 citations74
US7471927B2Dec 30, 2008

Packet communication system, packet communication method, base station, mobile station, controller and packet communication program

NTT DOCOMO INC8 citations74
US9531079B2Dec 27, 2016

Reflectarray and design method

NTT DOCOMO INC4 citations72
US7729666B2Jun 1, 2010

Communication system and method of dynamic space-frequency-division multiple-access for uplink from terminals to base-station

NTT DOCOMO INC7 citations63
US7710977B2May 4, 2010

Allocation of radio resources to packets in accordance with service qualities under radio communication environment

NTT DOCOMO INC3 citations63
US7308282B2Dec 11, 2007

Communication control system, communication control method, base station and mobile station

NTT DOCOMO INC4 citations63
US7110767B2Sep 19, 2006

Packet based mobile communications system with multicast paging of standby mobiles

NTT DOCOMO INC6 citations63
US7394785B2Jul 1, 2008

Mobile communication system, radio base station, mobile station, channel transmission control method, and channel transmission control program

NTT DOCOMO INC2 citations62
US7366130B2Apr 29, 2008

Base station and transmission power determining method in mobile communications systems

NTT DOCOMO INC5 citations62
US7184709B2Feb 27, 2007

Radio packet communication system, radio packet communication method, base station and mobile station

NTT DOCOMO INC6 citations62
US8385453B2Feb 26, 2013

Data processing method and base station for downlink transmit diversity

NTT DOCOMO INC2 citations61
US7733969B2Jun 8, 2010

Cyclic training sequence generating method, communication system and communication method

NTT DOCOMO INC5 citations60
US7532572B2May 12, 2009

Packet communications system, base station and mobile station

NTT DOCOMO INC0 citations52
US9620864B2Apr 11, 2017

Reflectarray and design method

NTT DOCOMO INC1 citations51
US9042900B2May 26, 2015

User terminal

NTT DOCOMO INC0 citations51

DU LEI

3 patents

NIPPON TELEGRAPH & TELEPHONE

2 patents

HOU XIAOLIN

2 patents

KAYAMA HIDETOSHI

1 patent

MARUYAMA TAMAMI

1 patent

KITAZAWA DAISUKE

1 patent

YAN YUAN

1 patent

FUJII HIROMASA

1 patent

Showing the top 50 of 55 patents by PatentIndex Score.