LexDanaLexDanabeta
Inventor

Mikio Kuwahara

Inventor
Yokohama, JP

Overview

70→
Patents
1996–2018
Patent span
Electricity
Primary field (CPC H)

Patents· 70 as inventor

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

H04Wprimary
H04WWireless communication networks32%
H04BTransmission23%
G01SRadio direction-finding13%
H04LTransmission of digital information, e.g. telegraphic communication12%
H01QAntennas, i.e. radio aerials8%
Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use3%
H01RElectrically-conductive connections2%
H04JMultiplex communication2%
Y10TTechnical subjects covered by former us classification2%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material1%
PatentTitleYear
9,985,405Terminal manufacturing apparatus and welding apparatus20189,979,099Terminal, crimp terminal, wire harness, and method for manufacturing crimp terminal20189,941,601Terminal, wire harness, and wire-harness structure20189,320,042'Wireless communication system with multiple base stations cooperating to transmit data'20169,008,727'Radio communication system, radio communication method, base station device and terminal device'20158,891,390'Wireless base station for controlling antenna transmission power'20148,886,248'Transmission power adjustment method in wireless communication system and base station'20148,862,167'Radio base station, radio communication system and interference notifying method in radio communication system'20148,792,576'Radio signal processing method and radio communication apparatus'20148,787,146'Timing adjustment method, receiving station, and transmitting station in wireless communication system, and wireless communication system'20148,744,456'Wireless communication method with packet scheduling'20148,630,313'Signal mapping method and communication device'20148,619,690'Cellular radio communication system, radio base station apparatus and radio terminal unit'20138,583,153'Radio communication system, radio communication method and base station'20138,571,589'Wireless communication system, wireless communication method, and base station'20138,515,483'Wireless communication system and method, and base station apparatus'20138,483,745'Wireless communication system and wireless communication method, and base station apparatus'20138,477,704'Radio resource assignment method and base station device'20138,406,145'Radio base station apparatus'20138,358,637'Load balancing method for mobile communication system, base station and terminal'20138,315,671'Radio communication method and radio base transmission station'20128,291,275'Transmission apparatus, access point and symbol transmission method'20128,264,986'Wireless communication network, method of generating neighbor list in the wireless communication network, and control device therefor'20128,190,959'Wireless communication system, terminal and base station'20128,160,589'Base station equipment'20128,111,683'Base station and mobile station for OFDMA cellular system'20128,068,874'System and method for correcting signal deviations in a radio over fiber network'20118,040,854'OFDM wireless communication method and wireless communication apparatus'20118,014,827'Base station which communicates according to a retransmission control'20118,000,745'Radio communication method and radio base transmission station'20117,969,347'Method for measuring distance and position using spread spectrum signal, and an equipment using the method'20117,916,660'Noise power estimation apparatus and method'20117,751,381'Wireless base station using weighting elements of an array antenna'20107,711,376'Method of providing location service using CDMA-based cellular phone system, a method of measuring location and location system'20107,663,532'Method for measuring distance and position using spread spectrum signal, and an equipment using the method'20107,639,984'Wireless communication system'20097,620,002'Apparatus and method for controlling multiplex number in spatial domain'20097,609,197'Method for measuring distance and position using spread spectrum signal, and an equipment using the method'20097,587,174'Antenna unit and radio base station therewith'20097,453,854'Radio signal communication method, base station and terminal station'20087,359,735'Radio communication apparatus and packet scheduling method'20087,203,462'Antenna unit and radio base station therewith'20077,116,992'Mobile station using positional information'20067,082,321'Radio communication system using adaptive array antenna'20067,072,673'Radio handset and position location system'20067,016,653'Radio terminal'20067,013,147'Wireless positioning means, wireless positioning apparatus and mobile position control center apparatus'20067,013,111'Wireless communication apparatus'20066,990,345'Method and apparatus for wireless position location'20066,990,351'Equipment for the calculation of mobile handset position'20066,950,661'Location detection method, location detection apparatus and location detection program'20056,928,292'Mobile handset with position calculation function'20056,900,753'Method for measuring distance and position using spread spectrum signal, and an equipment using the method'20056,889,051'Method and apparatus for measuring transmitting time offset of a base station'20056,865,394'Location detection method, location detection system and location detection program'20056,804,216'Code division multiple access communication method using dynamic code assignment, and a base station performing the method'20046,758,262'Heat sink, method for manufacturing same, and pressing jig'20046,704,547'Wireless communication base station transmission timing offset correction system'20046,694,142'Wireless terminal positioning method and apparatus'20046,671,649'Position calculation method and position calculation apparatus'20036,657,579'Method for measuring distance and position using spread spectrum signal, and an equipment using the method'20036,647,276'Antenna unit and radio base station therewith'20036,640,107'Wireless location handset apparatus'20036,597,678'Radio communication system using adaptive array antenna'20036,556,943'Position calculation method and position calculation apparatus'20036,484,034'Radio handset and position location system'20026,459,402'Method for measuring distance and position using spectrum signal, and an equipment using the method'20026,141,335'Radio communication system'20005,914,693'Coaxial resonant slot antenna, a method of manufacturing thereof, and a radio terminal'19995,559,524'Antenna system including a plurality of meander conductors for a portable radio apparatus'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–2016Patents assigned to HITACHI LTD (64)· patent assignee history
1996–2011Based in Kokubunji, JP· patent location history
1999–2016Based in Yokohama, JP· patent location history
2002–2014Based in Hachioji, JP· patent location history
2004–2018Patents assigned to FURUKAWA ELECTRIC CO LTD (4)· patent assignee history
2004–2007Based in Tokyo, JP· patent location history
2011–2016Patents assigned to KUWAHARA MIKIO (24)· patent assignee history
2012–2016Patents assigned to FUJISHIMA KENZABURO (6)· patent assignee history
2013–2014Patents assigned to KANZAKI HAJIME (6)· patent assignee history
2018Based in Shiga, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD641996–2016
KUWAHARA MIKIOself242011–2016
FUJISHIMA KENZABURO62012–2016
KANZAKI HAJIME62013–2014
FURUKAWA ELECTRIC CO LTD42004–2018
Locations
LocationPatentsSpan
Yokohama, JP231999–2016
Hachioji, JP222002–2014
Kokubunji, JP181996–2011
Shiga, JP22018
Tokyo, JP22004–2007