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Inventor

Yasuyuki Kurita

Inventor
Tsukuba, JP

Overview

7→
Patents
1996–2018
Patent span
Chemistry
Primary field (CPC C)

Patents· 7 as inventor

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

C07Dprimary
C07DHeterocyclic compounds20%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations10%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds10%
C09KMaterials for miscellaneous applications, not provided for elsewhere10%
H10KOrganic electric solid-state devices10%
Y02PClimate change mitigation technologies in the production or processing of goods10%
Y10TTechnical subjects covered by former us classification10%
C07CAcyclic or carbocyclic compounds5%
H01LSemiconductor devices5%
H10HInorganic light-emitting semiconductor devices having potential barriers5%
PatentTitleYear
10,141,513Polymeric light emitting substance and polymer light emitting device using the same20187,947,340'Polymeric light emitting substance and polymer light emitting device using the same'20116,806,502'3-5 Group compound semiconductor and light emitting device'20045,856,320'Cephem compounds, their preparation and their use as antimicrobial agents'19995,773,624'Method for preparing 5-amino-1,2,4-thiadiazol acetic acid derivatives'19985,705,650'Process for preparing 1,2,4-thiadiazole derivatives'19985,534,508'Cephem compounds and antimicrobial agents'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–1999Patents assigned to KATAYAMA SEISAKUSHO (4)· patent assignee history
1996Patents assigned to AJINOMOTO KK (1)· patent assignee history
1996Based in Hirakata, JP· patent location history
1998–1999Based in Osaka, JP· patent location history
2004Patents assigned to SUMITOMO CHEMICAL COMPANY LIMT (1)· patent assignee history
2004–2018Based in Tsukuba, JP· patent location history
2011–2018Patents assigned to SUMITOMO CHEMICAL CO (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KATAYAMA SEISAKUSHO41996–1999
SUMITOMO CHEMICAL CO22011–2018
AJINOMOTO KK11996
SUMITOMO CHEMICAL COMPANY LIMT12004
Locations
LocationPatentsSpan
Tsukuba, JP32004–2018
Osaka, JP31998–1999
Hirakata, JP11996