Inventor

Hiroshi Kita

Inventor
Hachioji, JP

Overview

138→
Patents
1988–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 138 as inventor

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

H10Kprimary
H10KOrganic electric solid-state devices19%
C09KMaterials for miscellaneous applications, not provided for elsewhere14%
H05BElectric heating13%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
H01LSemiconductor devices6%
G03CPhotosensitive materials for photographic purposes5%
C07DHeterocyclic compounds4%
G03GElectrography4%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium4%
Y10TTechnical subjects covered by former us classification3%
PatentTitleYear
11,125,704Measurement system, program, and measurement system control method202110,948,438X-ray fluorescence analysis system202110,862,053Method for synthesizing organic metal complex and organic electroluminescent element using compound synthesized by said synthesis method202010,862,048Organic electroluminescent device, thin luminous film, display apparatus, and lighting apparatus202010,838,342Image forming apparatus202010,651,395Organic electroluminescent element, display device, and illumination device202010,539,907Image forming apparatus and image forming method202010,468,610Isomer-mixture metal complex composition, organic electroluminescent element, illuminator, and display device201910,411,203Organic electroluminescent element, and lighting device and display device each using same201910,177,322Iridium complex, method for producing iridium complex, organic electroluminescent element, display device, and lighting device201910,012,777Resin composition201810,002,685Charge-transporting thin film20189,991,453Electronic device, organic electroluminescent element, organic thin-film solar cell, and dye-sensitized solar cell20189,923,154'Organic electroluminescent element, lighting device, and display device'20189,910,391'Image heating apparatus'20189,837,625Organic electroluminescent element20179,748,501'Iridium complex, method for producing iridium complex, organic electroluminescent element, display device, and lighting device'20179,720,140'Optical film, circularly polarizing plate and organic electroluminescent display device'20179,692,000'Organic electroluminescent element, display device and illuminating device'20179,634,275'Organic electroluminescent element, display device and illuminating device'20179,634,276'Organic electroluminescent element, display device and illuminating device'20179,513,170'Spectral color sensor and image forming apparatus'20169,459,584'Image forming apparatus'20169,331,289'Organic electroluminescent material, organic electroluminescent element, display device and lighting device'20169,323,186'Image forming apparatus'20169,285,742'Image forming apparatus to adjust the amount of light exposed by an exposure unit'20169,267,841'Color measurement device and image forming apparatus'20169,263,684'Organic electroluminescent element, display device and lighting device'20169,257,680'Method to make organic electroluminescent element material'20169,130,183'Organic electroluminescent element, displaying device and lighting device'20159,127,161'Method for stabilizing silanol-group-containing polysiloxane solution, method for producing stable silanol-group-containing polysiloxane solution, and stable silanol-group-containing polysiloxane solution'20159,091,952'Color image forming apparatus, and image forming condition setting method for color image forming apparatus'20159,082,996'Organic electroluminescent element, display device and lighting device'20159,075,330'Color image forming apparatus having function of obtaining color information of patch'20159,023,158'Steel material superior in high temperature characteristics and toughness and method of production of same'20159,005,770'Compound, electroluminescent element containing the same, illuminating device and display device'20158,951,650'Organic electroluminescent element including a condensed aromatic heterocyclic ring compound'20158,920,942'Organic electroluminescent element, display device and illuminating device'20148,873,045'Spectrocolorimeter and image forming apparatus'20148,862,011'Image forming apparatus having test image formation'20148,852,757'Organic electroluminescence element, lighting device and display device'20148,790,793'Organic electroluminescent element with electron transport layer containing condensed aromatic heterocyclic compound, display device and lighting device'20148,778,506'Organic electroluminescent element, white light emission element, full color display device and lighting device'20148,778,507'Organic electroluminescent device, display and illuminating device'20148,758,903'Organic electroluminescent element, display device and lighting device'20148,703,300'Organic electroluminescent element, display and illuminator'20148,594,517'Color image forming apparatus having function of obtaining color information of patch'20138,426,846'Organic electroluminescent element, method of manufacturing organic electroluminescent element, lighting device, and display device'20138,405,301'Organic electroluminescence element, display device and lighting device'20138,404,364'Organic electroluminescent element, display device and lighting device'20138,373,899'Color image forming apparatus and color adjustment method'20138,303,734'High strength thick steel material and high strength giant H-shape excellent in toughness and weldability and methods of production of same'20128,242,488'Organic electroluminescent element, display device, and illuminating device'20128,178,214'Material for organic electroluminescence element, organic electroluminescence element, display device and illumination device'20128,144,365'Color image forming apparatus and color adjustment method'20128,129,497'Organic thin film transistor'20128,114,532'Organic electroluminescent element, display device and lighting device'20128,053,024'Method for manufacturing organic electroluminescent device'20118,053,765'Organic electroluminescent element, display device and lighting device'20117,982,908'Color image forming apparatus and control method therefor'20117,906,224'Organic electroluminescent device, display, and illuminating device'20117,897,962'Organic electroluminescence device, lighting device, and display having a reactive organic compound'20117,897,421'Organic electroluminescent element, display and illuminator'20117,888,859'Organic electroluminescence element, display device and lighting device'20117,871,713'Electroluminescent material, electroluminescent element and color conversion filter'20117,862,909'Organic electroluminescent element, illuminator and display'20117,839,075'Organic electroluminescent element, illuminator and display'20107,800,103'Organic thin film transistor material, organic thin film transistor, field-effect transistor, switching element, organic semiconductor material and organic semiconductor film'20107,795,801'Organic electroluminescent element, illuminator, display and compound'20107,790,890'Organic electroluminescence element material, organic electroluminescence element, display device and illumination device'20107,759,855'Organic electroluminescent element and display employing the same'20107,749,619'Organic electroluminescent element and display'20107,740,955'Organic electroluminescent device and display'20107,709,829'Organic semiconductor material, organic transistor, field effect transistor, switching device and thiazole compound'20107,709,636'Pyrazole sulfonylurea compound and herbicide'20107,699,680'Method of manufacturing an organic electroluminescent element'20107,675,532'Image-forming apparatus and control method thereof'20107,651,741'Processes for forming a support and organic electroluminescence element including the support'20107,645,630'Manufacturing method for thin-film transistor'20107,629,060'Organic electroluminescent element, and display and illuminator'20097,592,075'Organic electroluminescence element'20097,557,067'Pyrazole sulfonylurea compound and herbicide'20097,504,657'Organic electroluminescent element, display and illuminator'20097,485,376'Organic electroluminescent element, illuminator, and display'20097,374,829'Organic electroluminescent element and full color display'20087,371,469'Organic electroluminescent element, illuminator and display'20087,348,063'Film substrate and its manufacturing method'20087,326,475'Material for organic electroluminescent device, organic electroluminescent device, illuminating device and display'20087,316,851'Electroluminescent material, electroluminescent element and color conversion filter'20087,270,893'Organic electroluminescent element and display'20077,264,890'Electroluminescent material, electroluminescent element and color conversion filter'20077,157,153'Support and organic electroluminescence element comprising the support'20077,141,304'Film substrate and its manufacturing method'20067,128,982'Organic electroluminescence element'20066,975,078'Dimming-control lighting apparatus for incandescent electric lamp'20056,960,364'Organic electroluminescent element and its manufacturing method'20056,949,878'Multicolor light emission apparatus with multiple different wavelength organic elements'20056,903,506'Organic electroluminescent element, displaying apparatus, light emitting method, displaying method and transparent substrate'20056,855,438'Organic electroluminescent element and full color display'20056,835,473'Organic electroluminescence element and display'20046,806,473'Radiation image detector'20046,750,608'Organic electroluminescence element and display'20046,723,455'Organic electro-luminescent element and material of organic electro-luminescent element'20046,664,735'Dimmer for incandesent lamp'20036,656,608'Electroluminescent material, electroluminescent element and color conversion filter'20036,420,057'Organic electroluminescent element'20026,168,892'Method for forming color image'20016,127,108'Silver halide color photographic light sensitive material'20005,977,027'Pyrimidone isobutyric acid and herbicides containing the same'19995,888,715'Silver halide color photographic light-sensitive material'19995,834,401'Nitrogen-containing cyclic compounds and herbicides containing the same as active ingredient'19985,721,092'Image forming method of silver halide color photographic light-sensitive material'19985,576,161'Silver halide light-sensitive photographic material and method of processing thereof'19965,565,313'Silver halide color photographic light-sensitive material'19965,545,514'Silver halide light-sensitive color photographic material'19965,525,476'Immunoassay, monoclonal antibody, and hybridoma'19965,518,994'2-arylaminopyrimidinone derivative, and herbicide and plant growth regulator'19965,492,798'Silver halide color photographic light-sensitive material'19965,470,697'Silver halide color photographic light sensitive material'19955,416,236'Aniline derivatives and process for producing the same'19955,376,520'Silver halide light sensitive color photographic material'19945,368,998'Silver halide color photographic light sensitive material'19945,356,863'Uracil derivatives'19945,354,653'Method of type-specific detection of herpes simplex virus'19945,336,593'Silver halide color photographic materials'19945,306,610'Photographic coupler'19945,262,293'Photographic cyan coupler'19935,254,451'Silver halide color photographic light sensitive material'19935,223,386'Cyan coupler'19935,208,141'Silver halide color photographic light-sensitive material'19935,187,057'Silver halide color photographic light-sensitive material and color photographic coupler'19935,135,344'Automatic storage/retrieval apparatus for articles'19925,071,737'Silver halide photographic material'19915,024,930'Silver halide photographic light-sensitive material containing a Novel photographic coupler'19915,011,766'Silver halide color photographic light-sensitive material'19915,002,449'Automatic storage/retrieval apparatus for articles'19914,868,203'Bacterial substance and pharmaceutical composition thereof'19894,774,237'Expellants of phytopathogenic microbes'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–2005Patents assigned to KONISHIROKU PHOTO IND (31)· patent assignee history
1991–2020Based in Hachioji, JP· patent location history
1991–2010Based in Hino, JP· patent location history
1993–2020Based in Tokyo, JP· patent location history
1994–2010Based in Funabashi, JP· patent location history
2007–2016Patents assigned to KONICA MINOLTA HOLDINGS INC (40)· patent assignee history
2010–2020Patents assigned to CANON KK (17)· patent assignee history
2010–2020Based in Mishima, JP· patent location history
2012–2018Patents assigned to KITA HIROSHI (29)· patent assignee history
2015–2020Patents assigned to KONICA MINOLTA INC (20)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KONICA MINOLTA HOLDINGS INC402007–2016
KONISHIROKU PHOTO IND311991–2005
KITA HIROSHIself292012–2018
KONICA MINOLTA INC202015–2020
CANON KK172010–2020
Locations
LocationPatentsSpan
Hachioji, JP481991–2020
Tokyo, JP361993–2020
Hino, JP211991–2010
Mishima, JP162010–2020
Funabashi, JP51994–2010