Inventor

Keiichi Nakamura

Inventor

Yokkaichi, JP

Overview

1984–2020

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 90 as inventor

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

H01Rprimary

H01RElectrically-conductive connections12%

Y10TTechnical subjects covered by former us classification7%

B62DMotor vehicles6%

F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids5%

C22CAlloys4%

C21DModifying the physical structure of ferrous metals3%

F16LPipes3%

E21BEarth or rock drilling2%

F01KSteam engine plants2%

F16DCouplings for transmitting rotation2%

PatentTitleYear

10,620,757Input device and electrical apparatus2020 10,344,627Heat recovery steam generator and power plant2019 10,101,568Zoom lens, optical device, and method for manufacturing the zoom lens2018 10,087,786Plant control apparatus and combined cycle power plant2018 9,719,617'Threaded joint for steel pipes'2017 9,605,781'Threaded connection comprising at least one threaded element with an end lip for a metal tube'2017 9,568,125'Threaded joint for steel pipes'2017 9,528,396'Heat recovery steam generator and power plant'2016 9,416,686'Heat recovery steam generator and power plant'2016 9,351,915'Ascorbic acid derivative composition and production method of the same, ascorbic acid derivative solution, and skin external preparation'2016 9,041,804'Input device, vehicle environment monitoring apparatus, icon switch selection method, and recording medium'2015 9,017,494'Method for producing seamless steel pipe for oil wells excellent in sulfide stress cracking resistance'2015 8,995,064'Zoom lens, imaging apparatus, and method for manufacturing zoom lens'2015 8,977,446'Driving support device'2015 8,866,904'Calibrating apparatus for on-board camera of vehicle'2014 8,481,892'Ceramic heater and method for producing same'2013 8,444,675'Tooth-hardening apparatus'2013 8,438,926'Method of evaluating fastening state of threaded joint of pipes or tubes, method for fastening threaded joint of pipes or tubes, and apparatus for evaluating fastening state of threaded joint of pipes or tubes'2013 8,379,319'Zoom lens, optical apparatus and method for manufacturing zoom lens'2013 8,361,256'Method for producing seamless steel pipe'2013 8,334,904'Vehicle surroundings monitoring system and vehicle foot illuminating system'2012 8,279,576'Electrostatic chuck'2012 8,248,471'Calibrating apparatus for on-board camera of vehicle'2012 8,206,187'Female terminal fitting'2012 8,157,930'Martensitic stainless steel'2012 8,152,576'Female terminal fitting'2012 8,021,391'Tooth-hardening apparatus'2011 8,021,502'Method for producing martensitic stainless steel pipe'2011 7,948,735'Electrostatic chuck and method for manufacturing the same'2011 7,900,975'Threaded joint for steel pipes'2011 7,828,611'Terminal fitting'2010 7,799,149'Oil country tubular good for expansion in well and manufacturing method thereof'2010 7,476,282'Martensitic stainless steel pipe'2009 7,476,123'Connector with a connection detector having an operating plate that is pushed during connection'2009 7,458,835'Connector and a connector assembly'2008 7,404,730'Connector, connector assembly and a detection terminal'2008 7,393,982'Processes for preparing Î²-diketone compound, metal complex thereof and metallic compound'2008 7,361,066'Terminal fitting and a blank therefor'2008 7,357,680'Male terminal fitting and blank therefor'2008 7,347,715'Connector device'2008 7,253,638'Apparatus and method for conducting an electrical test on a terminal fitting in a connector'2007 7,252,561'Terminal fitting and a connector provided therewith'2007 7,252,557'Connector with moving front wall'2007 7,238,064'Terminal fitting and a blank therefor'2007 7,229,314'Terminal fitting'2007 7,223,135'Terminal fitting and a connector provided therewith'2007 7,223,124'Connector and a method of assembling it'2007 7,204,728'Terminal fitting and a connector provided therewith'2007 7,179,138'Terminal fitting'2007 7,175,486'Terminal fitting'2007 7,048,595'Circuit board connector'2006 7,037,146'Circuit board connector'2006 6,953,914'Apparatus for heating baby formula pot and method of operating the same'2005 6,863,568'Connector'2005 6,492,909'Audio signal processing apparatus'2002 6,392,200'Wet tissue warmer and tissue lifting plate'2002 6,331,696'Wet tissue warmer and tissue lifting plate'2001 6,276,149'Air conditioner'2001 6,202,428'Air conditioner'2001 6,073,704'Machine support including means for angular control of a supported device'2000 5,564,247'High-rigidity sheet-metal structure'1996 5,478,220'Compressor scroll made of silicon containing aluminum alloy'1995 5,387,272'Highly ductile sintered aluminum alloy, method for production thereof and use thereof'1995 5,346,667'Method of manufacturing sintered aluminum alloy parts'1994 D0347506'Corner joint of a chassis for a cart'1994 D0347377'Joint support for shelves'1994 5,269,230'Joint-and-beam platform'1993 5,257,794'Corner joint, chassis and cart'1993 5,226,802'Variable-displacement vane pump'1993 5,033,568'Four-wheel steering system for automotive vehicles'1991 5,027,563'Work transfer device of grinding machine'1991 5,012,908'Control coupling for torque transmission'1991 4,949,455'I/O pin and method for making same'1990 4,905,808'Torque transmission device for a four-wheel drive vehicle'1990 4,827,747'Method for producing a bellows with oval cross section and apparatus for carrying out the method'1989 4,817,751'A driving force distribution transmission for vehicles with four-wheel drive'1989 4,805,714'Power steering system with hydraulic reaction'1989 4,798,050'Control system for hydraulic tandem pump in motor vehicle'1989 4,715,464'Power steering system with hydraulic reaction'1987 4,676,334'Power steering system with hydraulic reaction'1987 4,653,601'Electric power steering system for a motor vehicle'1987 4,617,425'Telephone answering device'1986 4,608,459'Telephone answering device'1986 4,599,051'Vane type rotary pump'1986 4,574,905'Steering force controlling apparatus for power steering system'1986 4,506,423'Method of producing a fluid pressure reducing device'1985 4,496,288'Vane type pump with a variable capacity for power steering devices'1985 4,476,529'Control system for a power steering device'1984 4,469,919'Telephone answering device'1984 4,437,532'Steering force controller for a power steering device'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–1993Patents assigned to TOYODA MACHINE WORKS LTD (14)· patent assignee history

1984–1993Based in Kariya, JP· patent location history

1985–1996Patents assigned to HITACHI LTD (6)· patent assignee history

1986–2015Patents assigned to TOYOTA MOTOR CO LTD (9)· patent assignee history

1989–2018Based in Tokyo, JP· patent location history

2005–2012Patents assigned to SUMITOMO WIRING SYSTEMS (22)· patent assignee history

2006–2012Based in Yokkaichi, JP· patent location history

2009–2017Based in Wakayama, JP· patent location history

2012–2017Patents assigned to NAKAMURA KEIICHI (20)· patent assignee history

2012–2015Based in Toyota, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SUMITOMO WIRING SYSTEMS	22	2005–2012
NAKAMURA KEIICHIself	20	2012–2017
TOYODA MACHINE WORKS LTD	14	1984–1993
TOYOTA MOTOR CO LTD	9	1986–2015
HITACHI LTD	6	1985–1996

Locations

Location	Patents	Span
Yokkaichi, JP	21	2006–2012
Kariya, JP	15	1984–1993
Tokyo, JP	9	1989–2018
Wakayama, JP	9	2009–2017
Toyota, JP	5	2012–2015