Inventor

Fumio Takahashi

Inventor
Tokyo, JP

Overview

84→
Patents
1981–2021
Patent span
Physics
Primary field (CPC G)

Patents· 84 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus12%
B60CVehicle tyres7%
G02CSpectacles7%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein5%
B41JTypewriters4%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h103%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%
C09KMaterials for miscellaneous applications, not provided for elsewhere3%
F01KSteam engine plants3%
F28BSteam or vapour condensers3%
PatentTitleYear
10,995,811Coil spring20219,815,334'Pneumatic tire'20179,593,731'Ring-shaped spring and method for manufacturing same'20179,493,037'Pneumatic tire'20169,362,409'Semiconductor device'20169,327,556'Pneumatic tire'20169,136,288'Display device'20158,978,386'Gas turbine system, control device for gas turbine system, and control method for gas turbine system'20158,878,185'Display device having projection with connection hole above the projection enabling connection of source electrode and pixel'20148,830,429'Liquid crystal display device'20148,752,601'Pneumatic tire with specified carcass curvature'20148,695,347'Power plant'20148,652,766'Manufacturing method of display device'20148,635,386'Communication control device, data communication method and program'20148,448,439'Electric power plant, and method for running electric power plant'20138,322,139'Condenser and steam turbine power plant'20128,322,386'Pneumatic tire with tread having rib with chamfered wing portions'20128,297,323'Pneumatic tire'20128,151,842'Pneumatic tire'20128,027,826'Evaluation device consisting of a logic simulator and a simulation result table'20117,709,163'Display device and manufacturing method thereof'20107,692,744'Liquid crystal display device having diffusion reflective electrodes and a manufacturing method thereof'20107,460,189'Manufacturing method of a display device using a two-layered resist'20087,373,053'Optical fiber array and manufacturing method thereof'20087,362,933'Optical branching unit'20087,299,398'Data generating method for forming desired CRC code'20077,281,554'Pneumatic tire with tread having blocks including highland portions and convex surface that is smoothly chamfered and defines line edge at the top of block sidewall'20077,221,844'Optical waveguide circuit component and method of manufacturing the same'20077,116,867'Multiple split optical waveguide'20067,088,889'Optical splitter'20067,085,463'Optical fiber and optical transmission line'20067,079,736'Optical fiber for WDM system and manufacturing method thereof'20067,046,889'Dispersion-shifted fiber'20066,952,516'Low attenuation optical fiber'20056,910,512'Pneumatic tire having peripheral protuberant portion on each block'20056,901,193'Dispersion compensating optical fiber ribbon and optical transmission system using the same'20056,901,195'Optical fiber and an optical transmission system using the optical fiber'20056,901,196'Optical fiber having a lower bending loss'20056,892,017'Optical fiber and optical transmission system using the optical fiber'20056,819,848'Method of winding optical fiber on reel'20046,782,173'Low attenuation optical fiber'20046,752,612'Mold device for injection molding of synthetic resin'20046,744,959'Method of winding optical fiber on reel'20046,707,968'Optical waveguide Y junction'20046,668,213'Method of assembling tire and wheel, recording medium which records phase angle operating program at the time of assembling tire and wheel, and assembled tire and wheel unit'20036,553,171'Optical component having positioning markers and method for making the same'20036,286,195'Method of assembling tire and wheel recording medium which records phase angle operating program at the time of assembling tire and wheel, and assembly tire and wheel unit'20016,274,976'Cathode ray tube having metal film with holes located on upper and side portions of phosphor areas'20016,269,867'Condenser and power plant'20015,960,867'Condenser and power plant'19995,892,565'Progressive multifocal lens'19995,678,369'Refractory/heat insulating panels'19975,666,184'Progressive power lens'19975,557,348'Progressive power lens'19965,523,807'Progressive multifocal lens'19965,510,860'Progressive multifocal lens'19965,506,630'Progressive multifocal lens'19965,467,803'Outer lead bending apparatus for a semiconductor package device having a package and outer leads extending from the package'19955,442,393'Television camera having a noise reduction and vertical edge correction apparatus'19955,252,051'Resin-seal apparatus for semiconductor element'19935,205,352'Heat exchanger for condensing vapor into liquid phase, power generating plant using the heat exchanger and absorption refrigerator using the heat exchanger'19935,132,044'Fluorescent composition for low velocity electron beam excitation'19925,080,552'Apparatus for supplying resin tablets for use in encapsulating semiconductor device'19925,055,227'Fluorescent composition for low velocity electron beam excitation'19915,048,945'Progressive power lens'19915,032,316'Fluorescent composition'19915,006,277'Fluorescent composition'19915,000,559'Ophthalmic lenses having progressively variable refracting power'19914,988,182'Ophthalmic lenses having a progressively variable focal power'19914,955,736'Method and apparatus for energizing thermal head in accordance with dot pattern coincidence tables'19904,816,993'Parallel processing computer including interconnected operation units'19894,795,999'Thermal transfer type printer'19894,763,708'Pneumatic tire'19884,707,703'Method of performing thermal multicolor printing'19874,608,593'Color television camera apparatus with self-diagnosis function'19864,551,729'Method of making thermal transfer type multicolor printing'19854,502,057'Method and apparatus for detecting errors in an ink ribbon in a thermal transfer type multicolor printer'19854,496,824'Method for controlling temperature of heat generating element of thermal printing head and circuit for practising same'19854,423,932'Eye fundus observing and photographing optical system'19844,398,457'Marking apparatus for plastic encapsulated semiconductor devices'19834,395,120'Method of and apparatus for measuring the refractive power of a contact lens'19834,320,414'Adjusting device for color television camera apparatus'19824,314,272'Adjusting device for color television camera apparatus'19824,248,506'Eye fundus observing optical system'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–2021Based in Yokohama, JP· patent location history
1988–2017Patents assigned to BRIDGESTONE CORP (11)· patent assignee history
1988–2017Based in Kodaira, JP· patent location history
1989–2014Patents assigned to HITACHI LTD (7)· patent assignee history
1989–2015Based in Hitachi, JP· patent location history
1991–1999Patents assigned to NIKON CORP (9)· patent assignee history
1995–2007Based in Tokyo, JP· patent location history
2001–2016Based in Mobara, JP· patent location history
2004–2006Patents assigned to FURUKAWA ELECTRIC CO LTD (11)· patent assignee history
2012–2017Patents assigned to TAKAHASHI FUMIO (14)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TAKAHASHI FUMIOself142012–2017
BRIDGESTONE CORP111988–2017
FURUKAWA ELECTRIC CO LTD112004–2006
NIKON CORP91991–1999
HITACHI LTD71989–2014
Locations
LocationPatentsSpan
Tokyo, JP141995–2007
Yokohama, JP121981–2021
Mobara, JP92001–2016
Kodaira, JP81988–2017
Hitachi, JP81989–2015