Inventor

Tasuku Haketa

Inventor
Chiba, JP

Overview

27→
Patents
2017–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 27 as inventor

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

H01Lprimary
H01LSemiconductor devices23%
H10KOrganic electric solid-state devices23%
C09KMaterials for miscellaneous applications, not provided for elsewhere19%
C07DHeterocyclic compounds16%
H05BElectric heating6%
C07CAcyclic or carbocyclic compounds5%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium4%
H05KPrinted circuits2%
C07BGeneral methods of organic chemistry1%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments1%
PatentTitleYear
11,069,861Mixture, organic electroluminescence device and electronic equipment202111,053,229Compound, material for organic electroluminescent element, organic electroluminescent element, and electronic device202111,053,437Compound, material for organic electroluminescent devices, organic electroluminescent device and electronic device202110,941,144Organic electroluminescence device and electronic device202110,840,456Compound, material for organic electroluminescence devices, organic electroluminescence device, and electronic device202010,790,449Compound, material for organic electroluminescence element, organic electroluminescence element, and electronic device202010,784,446Compound, organic electroluminescence element material, organic electroluminescence element and electronic device202010,703,762Compound, material for organic electroluminescence device, organic electroluminescence device and electronic apparatus202010,629,821Compound, material for organic electroluminescent elements using same, and organic electroluminescent element and electronic device each using same202010,622,569Compound, organic electroluminescent element, and electronic device202010,547,007Compound, organic electroluminescent material, organic electroluminescent element, and electronic apparatus202010,435,350Organic electroluminecence device201910,424,740Compound, material for organic electroluminescence devices, organic electroluminescence device, and electronic device201910,396,288Organic electroluminescent element and electronic device201910,297,757Compound, material for organic electroluminescent elements, organic electroluminescent element and electronic device201910,217,954Compound, material for organic electroluminescent element, organic electroluminescent element, and electronic device201910,211,404Compound, material for organic electroluminescent elements, organic electroluminescent element and electronic device201910,205,099Condensed fluoranthene compound, organic electroluminescence element material including same, organic electroluminescence element using same, and electronic device201910,170,707Compound, material for organic electroluminescence element, organic electroluminescence element, and electronic device201910,141,522Compound, material for organic electroluminescence element, organic electroluminescence element, and electronic device201810,118,889Compound20189,991,455Amine compound and organic electroluminescent element20189,991,445Heterocyclic compound, material for organic electroluminescence device including the same, and organic electroluminescence device and electronic equipment employing the same20189,963,429Carbazole derivative, material for organic electroluminescent element which comprises same, and organic electroluminescent element and electronic device each manufactured using same20189,902,687'Compound'20189,887,367'Heterocyclic compound, material for organic electroluminescent elements using same, organic electroluminescent element using same, and electronic device'20189,837,615Nitrogen-containing heterocyclic derivative, organic electroluminescence element material using same, and organic electroluminescence element and electronic device using same2017

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2017–2021Patents assigned to IDEMITSU KOSAN CO (26)· patent assignee history
2017Based in Ichihara, JP· patent location history
2018–2021Based in Chiba, JP· patent location history
2018–2021Based in Sodegaura, JP· patent location history
2021Based in Chiba-shi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
IDEMITSU KOSAN CO262017–2021
Locations
LocationPatentsSpan
Chiba, JP162018–2021
Sodegaura, JP92018–2021
Chiba-shi, JP12021
Ichihara, JP12017