LexDanaLexDanabeta
Inventor

Kiyoshi Ikeda

Inventor
Sodegaura, JP

Overview

69→
Patents
1977–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 69 as inventor

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

H10Kprimary
H10KOrganic electric solid-state devices13%
C09KMaterials for miscellaneous applications, not provided for elsewhere12%
H01LSemiconductor devices10%
C07DHeterocyclic compounds8%
H05BElectric heating7%
B41JTypewriters6%
H04NPictorial communication, e.g. television4%
C08LCompositions of macromolecular compounds3%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments3%
G09GArrangements or circuits for control of indicating devices using static means to present variable information3%
PatentTitleYear
10,831,027Display device, image processing device and image processing method202010,763,442Compound, organic electroluminescent element material using same, organic electroluminescent element using this material, and electronic device202010,538,514Compound, composition, organic electroluminescence element, and electronic device202010,356,375Display device, image processing device and image processing method, and computer program201910,290,815Composition, compound, material for organic electroluminescence element, ink composition, organic electroluminescence element, and electronic device201910,276,637Organic EL multi-color light-emitting device201910,217,945Compound, organic electroluminescent element material using same, organic electroluminescent element using this material, and electronic device201910,193,077Biscarbazole derivative, material for organic electroluminescence device and organic electroluminescence device using the same201910,147,888Biscarbazole derivative and organic electroluminescent element using same201810,147,889Biscarbazole derivative and organic electroluminescent element using same201810,038,881Display device, image processing device and image processing method, and computer program201810,038,143Polymer compound, material for electronic elements, material for organic electroluminescent elements, and organic electroluminescent element201810,032,991Compound, organic electroluminescence element material, ink composition, organic electroluminescence element, electronic device, and method for producing compound20189,923,141'Carbazole-based polymer and organic electroluminescence element using same'20189,917,273'Cross-linking polymer and organic electroluminescent element using same'20189,847,490Copolymer, material for organic electronic element, material for organic electroluminescent element, and organic electroluminescent element20179,738,675'Water-soluble photochromic compound'20179,740,007'Display device, image processing device and image processing method, and computer program'20179,705,091'Aromatic heterocycle derivative and organic electroluminescent element using same'20179,628,766'Display device, image processing device and image processing method, and computer program'20179,523,031'Organic electroluminescent device'20169,508,939'Compound and organic electroluminescent element produced using same'20169,292,142'Electronic device and method for determining coordinates'20169,214,636'Organic electroluminescence device'20159,134,836'Electronic device with touch panel for decreasing pointer wobble'20159,120,748'Fluoranthene compound, organic electroluminescence device using the same, and solution containing organic electroluminescence material'20158,940,414'Biscarbazole derivative, material for organic electroluminescence device and organic electroluminescence device using the same'20158,895,154'Organic electroluminescent device'20148,877,352'Biscarbazole derivative, material for organic electroluminescence device and organic electroluminescence device using the same'20148,865,323'Biscarbazole derivative, material for organic electroluminescence device and organic electroluminescence device using the same'20148,778,510'Pyrromethene-boron complex compounds and organic electroluminescent elements using same'20148,780,273'Signal processing apparatus, signal processing method, and program'20148,652,654'Biscarbazole derivative, material for organic electroluminescence device and organic electroluminescence device using the same'20148,586,199'Organic electroluminescence device'20138,401,322'Image recording device, image recording method and program'20138,363,167'Image processing apparatus, image processing method, and communication system'20138,278,819'Organic electroluminescence device and display'20127,072,485'Method for manufacturing diaphragm for loudspeaker, diaphragm for loudspeaker made thereby, and loudspeaker using the same'20066,756,414'Polymer polyol composition, process for producing the same, and process for producing polyurethane resin'20046,757,404'Loud speaker, diaphragm and process for making the diaphragm'20046,680,430'Speaker edge, method of foam-molding the same, apparatus for foam-molding the same, speaker edge foam-molding system, and speaker employing the speaker edge'20046,627,140'Method for manufacturing diaphragm for loudspeaker'20036,624,209'Polymer polyol composition, process for producing the same, and process for producing polyurethane resin'20036,367,912'Ink jet recording apparatus'20026,203,577'Shrink-proof treatment of cellulosic fiber textile'20016,198,493'Recording apparatus'20016,113,227'Ink jet head having electrode and non-electrode areas'20006,098,257'Method of manufacturing a print head for use with an ink jet printer'20006,047,740'Rubber composition and radiator hose'20006,045,213'Ink jet head having an improved coating in an ink pressure chamber and a method of manufacturing the same'20006,039,433'Ink jet recording apparatus and control method thereof'20005,923,352'Method of adjusting electromechanical element of ink jet print head to increase uniformity of performance characteristic'19995,910,279'Method for forming durable creases in cellulosic fiber textile'19995,889,538'Ink jet recording apparatus'19995,610,226'(Meth)acrylate copolymer and its elastomer compositions'19975,548,012'Automotive weather strip'19965,536,949'Charge injection auxiliary material and organic electroluminescence device containing the same'19965,523,353'Rubber composition'19965,462,975'Rubber compositions for sponge rubber'19955,438,101'Rubber composition'19955,356,228'Apparatus for driving adjacent elements in a wire-dot print head'19945,165,808'Wire dot print head'19925,141,341'Wire dot print head having a bipartite partitioning sheet'19925,100,964'Rubber composition'19924,974,975'Armature of printing head for use in wire printer'19904,803,738'Radio communications system with reduced D/U ratio variations'19894,703,479'Multi-direction time division multiplex communication apparatus'19874,292,153'Method for processing substrate materials by means of plasma treatment'19814,015,205'Baseband signal switching arrangement for diversity reception in a PCM radio communication system'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–2002Based in Tokyo, JP· patent location history
1992–2018Based in Chiba, JP· patent location history
1995–2000Based in Ichihara, JP· patent location history
1996–2020Patents assigned to IDEMITSU KOSAN CO (27)· patent assignee history
1996–2020Based in Sodegaura, JP· patent location history
1999–2002Patents assigned to OKI DATA KK (7)· patent assignee history
2012–2019Patents assigned to IKEDA KIYOSHI (17)· patent assignee history
2013–2020Patents assigned to SONY CORP (8)· patent assignee history
2013–2020Based in Kanagawa, JP· patent location history
2014–2019Patents assigned to ITO MITSUNORI (8)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
IDEMITSU KOSAN CO271996–2020
IKEDA KIYOSHIself172012–2019
ITO MITSUNORI82014–2019
SONY CORP82013–2020
OKI DATA KK71999–2002
Locations
LocationPatentsSpan
Sodegaura, JP221996–2020
Tokyo, JP151977–2002
Kanagawa, JP102013–2020
Chiba, JP81992–2018
Ichihara, JP41995–2000