Inventor

Sayaka Mizutani

Inventor
Sodegaura, JP

Overview

22→
Patents
2009–2020
Patent span
Chemistry
Primary field (CPC C)

Patents· 22 as inventor

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

H01Lprimary
H01LSemiconductor devices20%
H10KOrganic electric solid-state devices20%
C07DHeterocyclic compounds19%
C09KMaterials for miscellaneous applications, not provided for elsewhere12%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium11%
C07CAcyclic or carbocyclic compounds6%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations4%
H05BElectric heating3%
A61KPreparations for medical, dental or toiletry purposes2%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments1%
PatentTitleYear
10,573,823Organic electroluminescent device202010,510,964Compound, organic electroluminescence device material, organic electroluminescence device and electronic device2019RE047763Organic electroluminescence device and electronic device201910,418,563Aromatic heterocyclic derivative, material for organic electroluminescent element, and organic electroluminescent element201910,199,580Aromatic heterocyclic derivative, material for organic electroluminescent element, and organic electroluminescent element20199,978,975Organic electroluminescence device20189,923,146'Aromatic amine derivative and organic electroluminescent element using same'20189,893,296'Aromatic heterocyclic derivative, material for organic electroluminescent element, and organic electroluminescent element'20189,871,206'Compound, organic electroluminescence device material, organic electroluminescence device and electronic device'20189,847,501Aromatic heterocyclic derivative, material for organic electroluminescent element, and organic electroluminescent element20179,748,496'Nitrogenated heterocyclic derivative, electron-transporting material for organic electroluminescent elements, and organic electroluminescent element using same'20179,559,311'Anthracene derivative, organic-electroluminescence-device material, organic electroluminescence device, and electronic equipment'20179,397,307'Organic electroluminescence device and electronic device'20169,331,285'Aromatic amine derivative and organic electroluminescent element using same'20169,324,950'Organic electroluminescence device'20169,209,406'Aromatic heterocyclic derivative, material for organic electroluminescent element, and organic electroluminescent element'20159,126,943'Nitrogenated heterocyclic ring derivative and organic electroluminescent element comprising same'20158,883,323'Organic electroluminescence device'20147,834,182'Piperidine derivative'20107,732,456'Pyridone derivative'20107,547,693'Piperidine derivative'20097,531,668'2-arylcarboxamide-nitrogenous heterocycle compound'2009

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2009–2010Patents assigned to BANYU PHARMA CO LTD (4)· patent assignee history
2009–2010Based in Tsuchiura, JP· patent location history
2014–2019Patents assigned to IDEMITSU KOSAN CO (16)· patent assignee history
2014–2017Patents assigned to MIZUTANI SAYAKA (5)· patent assignee history
2014–2016Patents assigned to KAWAMURA MASAHIRO (4)· patent assignee history
2014–2016Patents assigned to ITO HIROKATSU (3)· patent assignee history
2014–2020Based in Sodegaura, JP· patent location history
2017Based in Ibaraki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
IDEMITSU KOSAN CO162014–2019
MIZUTANI SAYAKAself52014–2017
BANYU PHARMA CO LTD42009–2010
KAWAMURA MASAHIRO42014–2016
ITO HIROKATSU32014–2016
Locations
LocationPatentsSpan
Sodegaura, JP172014–2020
Tsuchiura, JP42009–2010
Ibaraki, JP12017