LexDanaLexDanabeta
Inventor

Masayuki Arai

Inventor
Tokyo, JP

Overview

64→
Patents
1984–2020
Patent span
Physics
Primary field (CPC G)

Patents· 64 as inventor

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

H04Nprimary
H04NPictorial communication, e.g. television11%
G11BInformation storage based on relative movement between record carrier and transducer10%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles7%
G02BOptical elements, systems or apparatus7%
G01CMeasuring distances, levels or bearings6%
Y10TTechnical subjects covered by former us classification6%
B60WConjoint control of vehicle sub-units of different type or different function5%
F16HGearing4%
G06FElectric digital data processing4%
G08GTraffic control systems4%
PatentTitleYear
10,851,843Vehicle including coupling device202010,840,618Connector assembly202010,501,066Control device for power transmission device and control method for vehicle201910,458,492Power transfer device for vehicle and control method of power transfer device201910,293,688Control device for four-wheel-drive vehicle and control method for four-wheel-drive vehicle201910,245,950Control device of vehicular four-wheel drive system20199,450,525'Electric motor control system'20169,417,414'Optical connector for a card including concave and convex guide portions'20169,415,684'Control device and control method for four-wheel drive vehicle'20169,379,467'Optical connector having a press-fit guide portion'20169,364,952'Force sensor protection mechanism, end effector, and robot arm'20169,272,700'Control system for four-wheel drive vehicle'20168,801,299'Hybrid optical connector assembly, cable for use with hybrid optical connector assembly and plug for use with hybrid optical connector assembly'20148,696,510'Driveline for four-wheel drive vehicle'20148,475,054'Connector'20138,449,202'Optical connector'20138,447,453'Navigation device and navigation system'20138,271,460'Computer program and computer system for producing test flow'20128,239,355'Map data update method and map data update system'20128,185,310'Navigation server and navigation system'20128,174,228'Motor control device'20127,933,715'Navigation device and navigation system'20117,895,912'Power transmission controlling apparatus'20117,865,305'Navigation system'20117,711,473'Map data update method and navigation apparatus'20107,702,979'Semiconductor integrated circuit incorporating test configuration and test method for the same'20107,623,423'Apparatus and method for recording data in different formats on a multilayer optical disk, and storage medium having a program stored thereon to enable a computer to perform such method'20097,330,214'Diaphragm apparatus of lens for CCTV camera'20087,299,394'Method and apparatus for determining optimum initial value for test pattern generator'20077,068,318'Diaphragm control apparatus for lens of CCTV camera'20067,049,040'Electrostatically charged image developing toner containing a polyolefin resin having a cyclic structure'20066,985,428'Optical recording medium, recording, and reproduction apparatus having multiple recording capacity features'20066,980,508'Optical recording medium, recording, and reproduction apparatus having multiple recording capacity features'20056,885,628'Optical recording medium, recording, and reproduction apparatus having multiple recording capacity features'20056,778,476'Information playback apparatus'20046,724,700'Optical rotating recording apparatus and method with address information and corresponding error correction code'20046,700,861'Optical disc and apparatus for scanning the optical disc'20046,580,680'Optical disc and apparatus for scanning the optical disc'20036,400,676'Disc-shaped recording medium'20026,169,844'Program recording methods and apparatus'20016,118,242'Travel-limit circuit having a direct current motor for a lens'20006,078,442'ND filter'20006,040,985'Circuit board having general purpose region and programmable region'20005,949,826'Data transmission and reception system'19995,814,711'Polymerization medium to prepare multi-block copolymers'19985,798,996'Method and apparatus for recording digital data by controlling the location of the edge of recording pits through modulation of a laser'19985,783,836'Optical sensor apparatus for detecting vapor of organic solvent'19985,774,071'On-board vehicle navigation apparatus'19985,725,661'Equipment for producing silicon single crystals'19985,721,969'Mechanism for driving a blur correcting lens in a blurred image correcting apparatus of a camera'19985,644,069'Sensor for distinguishing fuel vapors'19975,614,895'Map information regenerating device'19975,323,374'Method of magneto-optical recording'19945,286,540'Blow molded container made of polypropylene resin'19944,755,759'Temperature compensating method in automatic diaphragm control amplifier used with objective for CCTV camera'19884,750,178'Error correction method'19884,737,855'Automatic diaphragm control device for TV camera objective'19884,651,216'Remoto-controllable automatic diaphragm control device for use with CCTV camera'19874,562,477'Automatic diaphragm control device for use with CCTV camera'19854,562,476'Automatic diaphragm control device for use IWT CCTV camera'19854,547,808'Photometric circuit incorporated in objective provided with automatic diaphragm for closed circuit television (CCTV) camera'19854,542,410'Automatic diaphragm control device of objective provided with automatic diaphragm for closed circuit television (CCTV) camera'19854,472,743'Automatic diaphragm control device for a closed circuit television camera'19844,451,851'Automatic diaphragm control device for a closed circuit television camera'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–2000Patents assigned to ASAHI SEIMITSU KK (12)· patent assignee history
1984–2012Based in Tokyo, JP· patent location history
1988–2009Patents assigned to SONY CORP (12)· patent assignee history
1997–2016Patents assigned to HONDA MOTOR CO LTD (9)· patent assignee history
1998–2016Based in Wako, JP· patent location history
2011–2020Patents assigned to TOYOTA MOTOR CO LTD (10)· patent assignee history
2011–2020Based in Toyota, JP· patent location history
2012–2016Patents assigned to ARAI MASAYUKI (11)· patent assignee history
2013–2016Based in Yokohama, JP· patent location history
2013–2014Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ASAHI SEIMITSU KK121984–2000
SONY CORP121988–2009
ARAI MASAYUKIself112012–2016
TOYOTA MOTOR CO LTD102011–2020
HONDA MOTOR CO LTD91997–2016
Locations
LocationPatentsSpan
Tokyo, JP271984–2012
Toyota, JP102011–2020
Wako, JP61998–2016
Yokohama, JP32013–2016
Kanagawa, JP22013–2014