Inventor

Seiichi Tanaka

Inventor

Tokyo, JP

Overview

1977–2021

Patent span

Physics

Primary field (CPC G)

Patents· 74 as inventor

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

H04Nprimary

H04NPictorial communication, e.g. television9%

G08BSignalling systems, e.g. personal calling systems7%

F02BInternal-combustion piston engines5%

H02PControl or regulation of electric motors, electric generators or dynamo-electric converters5%

G06TImage data processing or generation, in general4%

Y10TTechnical subjects covered by former us classification4%

B60KArrangement or mounting of propulsion units or of transmissions in vehicles3%

G01CMeasuring distances, levels or bearings3%

G06FElectric digital data processing3%

H01HElectric switches3%

PatentTitleYear

11,009,891Vehicle and control method thereof2021 10,981,427Damping control device, damping control method, and moving body2021 10,984,661Information processing device and information processing method2021 10,984,655System and method for driving assistance along a path2021 10,977,935Information processing device, vehicle-mounted device, and information processing method2021 10,940,812System and method for facilitating communication via an electronic interface of a vehicle2021 10,887,155System and method for a unified connected network2021 10,665,876Fuel cell system2020 10,592,014Display control system, method, and program2020 10,452,225Vehicular input device and method of controlling vehicular input device2019 10,452,258Vehicular input device and method of controlling vehicular input device2019 10,432,833Interchangeable lens camera2019 10,318,118Vehicular display apparatus2019 10,222,906Input device for vehicle and method of controlling input device for vehicle2019 9,967,518Video conference system2018 9,689,052'Very thin steel sheet and production method thereof'2017 9,315,877'Steel sheet for bottom covers of aerosol cans and method for producing same'2016 9,070,223'Image processing device, image processing method, and image processing program'2015 9,061,751'Marine propulsion device'2015 8,972,117'Vehicular light distribution control system and vehicular light distribution control method'2015 8,885,067'Multocular image pickup apparatus and multocular image pickup method'2014 8,210,830'Valveless micropump'2012 8,192,241'Fuel supply system for outboard motor and outboard motor'2012 7,321,213'Motor controller'2008 6,926,750'Filter element'2005 6,847,184'Excitation controller'2005 6,818,037'Filter element'2004 6,762,592'Excitation controller for synchronous machine'2004 6,700,559'Liquid crystal display unit having fine color control'2004 6,667,776'Video signal processor'2003 6,496,161'Head mount display'2002 6,329,964'Image display device'2001 6,323,618'Excitation controller and excitation control method for stabilizing voltage in electric power system'2001 6,265,852'Excitation controller and excitation control method for stabilizing voltage in electric power system'2001 6,091,827'Image display device'2000 5,927,247'Direct injected engine'1999 5,853,240'Projector using a small-size optical system'1998 5,830,412'Sensor device, and disaster prevention system and electronic equipment each having sensor device incorporated therein'1998 5,662,073'Engine'1997 5,546,748'Exhaust system for outboard motor'1996 5,440,222'Excitation control apparatus for synchronous machine'1995 5,366,135'Method of making composite electrical contact'1994 5,361,731'Scavenging port delivery for two stroke engine'1994 5,333,054'Apparatus for reducing noise in a video signal by processing a luminance and chrominance component'1994 5,311,306'Motion detecting circuit for video signal processor'1994 5,268,237'Composite electrical contact'1993 5,261,376'Two cycle internal combuston engine with multiple cylinder fuel injection'1993 5,231,476'Luminance/chrominance separating apparatus'1993 5,147,728'Ag-SnO.sub.2 electrical contact materials'1992 5,125,382'Anti-knock device for an engine'1992 5,102,480'Ag-SnO-CdO electrical contact materials and manufacturing method thereof'1992 5,078,810'Method of making Ag-SnO contact materials by high pressure internal oxidation'1992 5,007,390'Starting fuel supplying device for internal combustion engine'1991 4,998,521'Ignition timing control for outboard motor'1991 4,984,070'Picture quality improving apparatus capable of reducing deterioration of interpolated signal'1991 4,967,129'Power system stabilizer'1990 4,955,831'Ignition timing control system for outboard engine'1990 4,809,083'Image reading and/or recording apparatus with enlarging and reducing function'1989 4,733,156'Power system stabilizing apparatus'1988 4,725,819'Fire detection system'1988 4,668,939'Apparatus for monitoring disturbances in environmental conditions'1987 4,658,243'Surveillance control apparatus for security system'1987 4,638,304'Environmental abnormality detecting apparatus'1987 4,636,649'Photoelectric smoke sensor terminal'1987 4,620,236'Image picture reading device'1986 4,581,604'Atmospheric abnormality detection alarm system'1986 4,575,711'Alarm terminal device'1986 4,525,700'Fire alarm system'1985 4,518,952'Sensor test circuit of an alarm system'1985 4,505,600'Temperature sensor'1985 4,475,114'Thermal head recording device'1984 4,385,529'Foot-operated parking brake lever assembly'1983 4,288,637'Process for preparation of aromatic hydroperoxides'1981 4,049,723'Method for separation and recovering hydroquinone'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–2018Patents assigned to SHARP KK (11)· patent assignee history

1985–1998Patents assigned to NITTAN CO LTD (11)· patent assignee history

1985–2004Based in Chiba, JP· patent location history

1986–2015Based in Osaka, JP· patent location history

1988–2005Patents assigned to MITSUBISHI ELECTRIC CORP (7)· patent assignee history

1990–1999Based in Hamamatsu, JP· patent location history

1991–2021Based in Tokyo, JP· patent location history

1992–2017Patents assigned to TANAKA SEIICHI (9)· patent assignee history

2008–2020Based in Toyota, JP· patent location history

2015–2021Patents assigned to TOYOTA MOTOR CO LTD (9)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NITTAN CO LTD	11	1985–1998
SHARP KK	11	1984–2018
TANAKA SEIICHIself	9	1992–2017
TOYOTA MOTOR CO LTD	9	2015–2021
MITSUBISHI ELECTRIC CORP	7	1988–2005

Locations

Location	Patents	Span
Tokyo, JP	20	1991–2021
Chiba, JP	15	1985–2004
Hamamatsu, JP	8	1990–1999
Toyota, JP	7	2008–2020
Osaka, JP	4	1986–2015