LexDanaLexDanabeta
Inventor

Shousei Yoshida

Inventor
Tokyo, JP

Overview

71→
Patents
1988–2016
Patent span
Electricity
Primary field (CPC H)

Patents· 71 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Bprimary
H04BTransmission39%
H04LTransmission of digital information, e.g. telegraphic communication29%
H04WWireless communication networks17%
H04JMultiplex communication6%
H01QAntennas, i.e. radio aerials5%
G01RMeasuring electric variables2%
Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use2%
PatentTitleYear
9,288,025'Single carrier transmission system, communication device, and single carrier transmission method using for them'20168,619,744'Reception method and receiver'20138,594,039'Reference signal multiplexing and resource allocation'20138,548,008'Single carrier transmission system, communication device, and single carrier transmission method using for them'20138,351,523'Radio communication method and device in single-carrier transmission system'20138,351,553'MIMO receiving apparatus and receiving method'20138,295,383'Receiving apparatus and mobile communication system'20128,265,675'MIMO wireless communication system and method by a plurality of base stations and mobile station'20128,254,328'Scheduling method for multi-user MIMO in which resource blocks are allocated based on priorities'20128,170,141'Transmitting device, transmitting/receiving device, transmitting method and transmitting/receiving method'20128,121,216'Channel estimation device, equalization device, and radio system'20128,102,898'Channel estimating apparatus, CDMA receiving apparatus, and channel estimating method'20128,036,295'Radio communication system that uses a MIMO receiver'20118,019,031'User selection method and user selection device for multiuser MIMO communication'20117,991,360'Receiver apparatus, receiving method, and wireless communication system'20117,961,800'Adaptive radio/modulation apparatus, receiver apparatus, wireless communication system, and wireless communication method'20117,949,040'Reception quality measuring apparatus and reception quality measuring method'20117,936,838'Wireless communication system, receiving apparatus, modulating method for use therein, and program therefor'20117,830,829'FDD/CDMA transmission/reception system'20107,826,514'Radio transmitter-receiving apparatus and radio transmitting-receiving method for estimating noise and interference power in radio transmission using code spread'20107,822,132'OFDM communication system'20107,796,680'Mobile communication system and wireless apparatus to be used for the same'20107,773,687'Wireless apparatus, wireless communication system, and transmission mode selecting method'20107,746,807'Band limiting method and wireless communication system'20107,668,076'Multi-user receiving apparatus converting SC-FDMA received signals of all users to signals in a frequency domain commonly'20107,656,940'Equalizer and equalizing method'20107,577,194'Equalizer and equalization method'20097,565,114'Transmitter apparatus, receiver apparatus, and radio communication system'20097,565,172'Adaptive antenna reception method and device'20097,466,969'MIMO receiver, MIMO reception method and wireless communication system'20087,363,057'Mobile communication system, mobile station, base station, communication path quality estimation method used for the same'20087,324,470'FDD/CDMA receiver having transmission antenna control circuit'20087,257,408'Radio communication system and transmission mode selecting method'20077,215,699'Path timing detection method, path timing detection apparatus, and adaptive array antenna system'20077,203,178'Multiuser interference cancellation apparatus'20077,203,495'Base station transmission power control system, mobile station and base station'20077,106,785'Adaptive antenna reception apparatus with weight updated adaptively'20067,069,050'Antenna transmission and reception system'20067,035,641'Base station transmission power control system, mobile station and base station'20067,031,368'Adaptive transmitter/receiver'20066,825,808'Adaptive array antenna receiving apparatus capable of shortening convergence time of antenna weight'20046,792,033'Array antenna reception apparatus'20046,731,949'Method of controlling transmission power in a cellular type mobile communication system'20046,714,584'CDMA adaptive antenna receiving apparatus and communication system'20046,670,919'Adaptive antenna receiving apparatus'20036,665,286'Adaptive receiving device removing interference from users and multi-paths by antenna directivity control'20036,657,590'Adaptive antenna reception apparatus using reception signals by arrays antennas'20036,539,226'Base station transmission power control system mobile station and base station'20036,509,872'Adaptive antenna receiving apparatus'20036,492,958'Adaptive antenna reception apparatus'20026,487,174'S/N measuring circuit and method, transmitting electric power control apparatus and digital communicating system'20026,418,320'Mobile station and a method of reducing interference among radio channels in the mobile station'20026,373,881'CDMA receiver using sampled chip sequence for precision synchronization with received data sequence'20026,359,864'FDD/CDMA transmission/reception system'20026,351,651'Method of controlling transmission power in a cellular type mobile communication system'20026,282,233'Multi-user receiving apparatus and CDMA communication system'20016,222,498'CDMA multiuser receiver featuring a combination of array antenna and multiuser cancelers'20016,208,683'Receiving apparatus for use in CDMA type mobile radio communication system comprising a plurality of path receivers each including a follow-up path detection unit'20016,205,166'CDMA receiver with antenna array adaptively controlled with combined errors of despread multipath components'20016,081,516'Multiuser receiving device for use in a CDMA system'20005,930,229'Interference canceller for CDMA'19995,886,987'FDD/CDMA transmission/reception system'19995,734,647'CDMA communication system in which interference removing capability is improved'19985,687,162'DS/CDMA receiver having an interference cancelling function capable of asssuring a desired reception quality in a narrow-band DS/CDMA'19975,235,622'Clock recovery circuit with open-loop phase estimator and wideband phase tracking loop'19935,170,415'Burst demodulator for establishing carrier and clock timing from a sequence of alternating symbols'19925,049,830'Carrier recovery system and digital phase demodulator'19915,036,296'Frequency tracking circuit using samples equalized at different sampling instants of same clock period'19914,891,598'Variable bit rate clock recovery circuit'19904,835,790'Carrier-to-noise detector for digital transmission systems'19894,780,887'Carrier recovery circuitry immune to interburst frequency variations'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–2013Patents assigned to NEC CORP (69)· patent assignee history
1988–2016Based in Tokyo, JP· patent location history
2003Based in Toky, JP· patent location history
2010–2012Patents assigned to NTT DOCOMO INC (4)· patent assignee history
2010–2012Based in Minato-ku, JP· patent location history
2012–2013Patents assigned to YOSHIDA SHOUSEI (11)· patent assignee history
2012–2013Patents assigned to KIMATA MASAYUKI (5)· patent assignee history
2012–2013Patents assigned to FUTATSUGI YASUNORI (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NEC CORP691988–2013
YOSHIDA SHOUSEIself112012–2013
KIMATA MASAYUKI52012–2013
NTT DOCOMO INC42010–2012
FUTATSUGI YASUNORI22012–2013
Locations
LocationPatentsSpan
Tokyo, JP641988–2016
Minato-ku, JP62010–2012
Toky, JP12003