Inventor

Takashi Ichikawa

Inventor
Tokyo, JP

Overview

87→
Patents
1983–2020
Patent span
Performing operations
Primary field (CPC B)

Patents· 87 as inventor

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

LOC14primary
LOC149%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for8%
B60BVehicle wheels8%
B41JTypewriters5%
LOC104%
B60QArrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general3%
G07CTime or attendance registers3%
H10BElectronic memory devices3%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h103%
LOC123%
PatentTitleYear
D0898018Control panel for inside a vehicle202010,482,190Topography simulation apparatus, topography simulation method, and topography simulation program201910,407,543Method for producing polyethylene glycol having terminal carboxyl group2019D0827386Cooler box combined with amplifier and speaker2018D0793886'Vehicle navigation unit with video disc player'2017D0772129'Navigation unit with installation panel for vehicle'2016D0771617'Installation panel for vehicle'2016D0764364'Installation panel for vehicle'2016D0758266'Installation panel for vehicle'2016D0758265'Installation panel for vehicle'20169,339,985'Transfer mold body'20169,086,293'Navigation device and control method for displaying detour'2015D0726044'Vehicle navigation unit with digital video disc player'20158,952,203'Method for manufacturing hydroxyl group-containing acetal compound'20158,821,684'Substrate plasma processing apparatus and plasma processing method'20148,723,245'Nonvolatile memory device'20148,722,177'Transfer mold body'20148,696,401'Backspin toy'20148,651,673'Vehicle mirror device'20148,545,070'Door mirror device for a vehicle'20138,548,787'Simulating a chemical reaction phenomenon in a semiconductor process'20138,456,908'Multi-dot flash memory and method of manufacturing the same'20138,375,925'Vaporized fuel processing device and method'20138,295,093'Multi-dot flash memory'20128,252,193'Plasma processing apparatus of substrate and plasma processing method thereof'20128,209,155'Simulation method and simulation program'20128,163,869'Purification method of carboxyl group-containing polyoxyethylene derivative'20128,023,806'Heat processing furnace and vertical-type heat processing apparatus'20117,974,525'Heat processing furnace and vertical-type heat processing apparatus'2011D0635970'Audio disc player with tuner for marine vessel'2011D0610125'Amplifier'2010D0596620'Speaker for vehicle'2009D0595695'Integrated control unit for vehicle'2009D0593072'Speaker for vehicle'20097,537,448'Thermal processing method and thermal processing unit'2009D0582807'Vehicle navigation unit with digital video player'2008D0579916'Speaker for vehicle'20087,446,813'Active camera apparatus and robot apparatus'20087,417,059'Substituted aromatic-ring compounds, process for producing the same and use'20087,375,440'Vehicle electronic key system'2008D0565979'Monitor for vehicle'2008D0551205'Amplifier'2007D0549687'Amplifier'20077,201,314'Settlement terminal'2007D0537372'Vehicle navigation unit'20077,171,293'Vehicle drive system controller'2007D0535282'Amplifier'2007D0535270'Digital video disc player'20077,143,857'Vehicle drive system operation apparatus and vehicle drive control system'20067,145,436'Door opening and closing apparatus'20067,136,091'Vehicle imaging apparatus, vehicle monitoring apparatus, and rearview mirror'20067,078,540'Substituted aromatic-ring compounds, process for producing the same, and use'20067,062,060'Outer mirror and interphone for a vehicle'20067,057,493'Lighting system'20066,949,882'Vehicle light controller'20056,934,685'Voice recognition device for toys'20056,746,140'Rear-view mirror and interior lighting system'20046,719,605'Driving device and action toy'20046,710,940'Passenger compartment monitoring apparatus'20046,669,305'Wheel cap structure'20036,622,832'Hydraulic shock absorber'20036,552,653'Communication system for a vehicle and vehicle accessory operation system that utilizes the communication system'20036,457,133'Automatic transaction apparatus'20026,450,582'Wheel cover'20026,326,659'Semiconductor memory and method of manufacturing same'20016,104,421'Thermal transfer type color printer'20006,046,756'Printer device'20006,030,050'Wheel cover comprised of a three-layer laminated sheet of plastic resin material'20005,982,404'Thermal transfer type color printer'19995,884,981'Wheel cover for a car and a clip device'19995,873,637'Car wheel cover and wheel cover installing clip'19995,839,796'Wheel cover for use in automobile'19985,831,658'Printer device and method for printing deviation test patterns to measure deviations of printing positions'19985,821,974'Color printer'19985,803,552'Aluminum wheel'19985,511,857'Wheel cap for automobile'19965,501,510'Structure for connecting flexible annular molding to wheel cap body'19965,318,034'Electrically adjustable delay circuit and ultrasonic diagnosis apparatus'19945,205,615'Wheel cover mounting device'19935,184,257'Head positioning control for a spindle motor disk drive'19935,023,733'Head positioning control for a spindle motor disk drive'19914,724,336'Power circuit for thermal head'1988D0284014'Stamp'19864,556,096'Method for the preparation of a spongy metallic body'1985D0280644'Combined stamp and cap therefor'1985D0280643'Combined stamp and cap therefor'19854,416,716'Method of producing interior material of corrugated cardboard'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–1986Patents assigned to SHACHIHATA INDUSTRIAL (4)· patent assignee history
1985–2003Based in Nagoya, JP· patent location history
1988–2007Based in Shizuoka, JP· patent location history
1993–2016Patents assigned to TOKAI RIKA CO LTD (24)· patent assignee history
1993–2016Based in Aichi, JP· patent location history
2001–2020Based in Tokyo, JP· patent location history
2007–2020Patents assigned to ALPINE ELECTRONICS INC (23)· patent assignee history
2008–2014Patents assigned to TOSHIBA KK (7)· patent assignee history
2008–2019Based in Saitama, JP· patent location history
2012–2015Patents assigned to ICHIKAWA TAKASHI (13)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOKAI RIKA CO LTD241993–2016
ALPINE ELECTRONICS INC232007–2020
ICHIKAWA TAKASHIself132012–2015
TOSHIBA KK72008–2014
SHACHIHATA INDUSTRIAL41985–1986
Locations
LocationPatentsSpan
Tokyo, JP252001–2020
Aichi, JP231993–2016
Saitama, JP82008–2019
Shizuoka, JP71988–2007
Nagoya, JP51985–2003