LexDanaLexDanabeta
Inventor

Kunihiko Takagi

Inventor
Okaya, JP

Overview

74→
Patents
1981–2020
Patent span
Performing operations
Primary field (CPC B)

Patents· 74 as inventor

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

G03Bprimary
G03BApparatus or arrangements for taking photographs or for projecting or viewing them14%
A61LMethods or apparatus for sterilising materials or objects in general5%
H04NPictorial communication, e.g. television5%
F21VFunctional features or details of lighting devices or systems thereof4%
B60LPropulsion of electrically-propelled vehicles4%
B62KCycles4%
F04BPositive-displacement machines for liquids4%
Y02TClimate change mitigation technologies related to transportation4%
Y10TTechnical subjects covered by former us classification4%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles3%
PatentTitleYear
10,859,899Wavelength conversion element, method for producing wavelength conversion element, light source device, and projector202010,520,801Wavelength conversion element, method for manufacturing wavelength conversion element, light source apparatus, and projector201910,520,745Wavelength conversion element, light source device, and projector for reducing heat damage in the wavelength conversion element201910,359,693Light source apparatus and projector201910,241,384Wavelength conversion element, light source device, and projector201910,203,589Wavelength converter, illuminator, and projector201910,162,253Illumination device and projector201810,101,647Illuminator and projector201810,101,645Wavelength conversion element, light source device, and projector20189,869,926'Wavelength conversion element, light source device, and projector'20189,860,493'Illumination device and projector'20189,817,303'Light source device, illumination device and projector'20179,250,502'Projector having base and cover member forming cooling duct for cooling light modulators and method for manufacturing projector'20169,016,869'Optical device including frame holding light modulation unit having dustproof glass and projector'20158,395,306'Light source unit and projector'20138,376,076'Device storage apparatus for railway vehicle'20138,360,584'Projector'20138,348,204'Cable guide unit water-proof device for railway vehicle'20138,308,303'Projector having cooling duct including flow paths for directing cooling air over light modulation devices'20128,267,357'Waterproof cable guide device for railway vehicle'20128,128,239'Light source device and projector'20128,096,348'Heat exchanger, method of manufacturing heat exchanger, liquid cooling system, light source device, projector, electronic device unit, and electronic equipment'20128,093,547'Projector and light source apparatus having a second reflector for reflecting light in infrared region'20128,018,128'Microchannel structure and its manufacturing method, light source device, and projector'20117,980,296'Heat exchanger, light source device, projector and electronic apparatus'20117,972,034'Laser light source, laser light source unit, illumination device, monitor apparatus, and image display apparatus'20117,866,827'Optical device and optical apparatus'20117,852,885'Light source device and image display apparatus'20107,806,531'Projector'20107,757,752'Heat exchanger, light source apparatus, and projector'20107,690,798'Projector with extendible screen member'20107,654,283'Check valve and pump including check valve'20107,600,987'Pump'20097,599,415'Light source device, lighting device, monitor device, and projector'20097,334,898'Projector'20087,309,145'Light source apparatus and projection display apparatus'20077,121,809'Method of driving pump'20067,059,836'Pump'20067,056,096'Pump'20067,011,507'Positive displacement pump with a combined inertance value of the inlet flow path smaller than that of the outlet flow path'20066,772,673'Flexible actuator'20046,718,766'Pump-integrated flexible actuator'20046,689,074'Wearable muscular-force supplementing device'20046,623,256'Pump with inertance value of the entrance passage being smaller than an inertance value of the exit passage'20036,495,933'Powered trap door device for vehicle'20026,416,546'Medical device and production method thereof'20026,389,907'O-ring test device'20026,081,056'Motor and method for producing the same'20006,054,818'Electric motor vehicle'20006,037,726'Electric motor vehicle'20006,023,838'Method of producing motor casing'20005,952,751'Motor casing and method of producing same'19995,931,245'Battery control system for electric vehicle'19995,900,686'Electric motor vehicle'19995,819,868'Electric motor powered stand device for a vehicle'19985,819,864'Battery low capacity alarm device for use in an electric vehicle'19985,730,243'Assist device for use in electric vehicles'19984,956,742'Switch gear'19904,782,423'Lightning arrester'19884,764,466'Method for stabilizing an immobilized fibrinolytic enzyme'19884,696,916'Intravenous nutrient'19874,675,347'Antimicrobial latex composition'19874,655,211'Hemostatic agent'19874,642,104'Urethral catheter capable of preventing urinary tract infection and process for producing the same'19874,642,111'Injector filled with an anti-cancer composition'19874,610,962'Carriers for immobilization of physiologically active substances'19864,539,234'Urethral catheter capable of preventing urinary tract infection and process for producing the same'19854,536,387'Anti-cancer device'19854,433,203'Electrical insulator with water-repellent oil-bleeding insulation bands'19844,393,286'Vacuum circuit breakers'19834,378,803'Process for producing antithrombogenic vinyl acetate polymer or hydrolyzate thereof'19834,378,435'Process for providing enzyme activity to a solid surface'19834,273,873'Preparation of antithrombogenic polymeric materials'19814,265,233'Material for wound healing'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–2002Patents assigned to UNITIKA LTD (14)· patent assignee history
1981–2002Based in Kyoto, JP· patent location history
1983–1990Based in Tama, JP· patent location history
1998–2020Patents assigned to SEIKO EPSON CORP (52)· patent assignee history
1998–2000Patents assigned to TOKYO R & D KK (7)· patent assignee history
1998–2004Based in Suwa, JP· patent location history
2002–2013Based in Akashi, JP· patent location history
2003–2020Based in Okaya, JP· patent location history
2012–2016Patents assigned to TAKAGI KUNIHIKO (11)· patent assignee history
2012–2016Patents assigned to EGAWA AKIRA (7)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SEIKO EPSON CORP521998–2020
UNITIKA LTD141981–2002
TAKAGI KUNIHIKOself112012–2016
EGAWA AKIRA72012–2016
TOKYO R & D KK71998–2000
Locations
LocationPatentsSpan
Okaya, JP402003–2020
Kyoto, JP141981–2002
Suwa, JP101998–2004
Akashi, JP42002–2013
Tama, JP41983–1990