Inventor

Kyoko Takeda

Inventor

Kanagawa, JP

Overview

3→

Patents

1980–2021

Patent span

Chemistry

Primary field (CPC C)

Patents· 3 as inventor

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

C07Dprimary

C07DHeterocyclic compounds17%

C09KMaterials for miscellaneous applications, not provided for elsewhere17%

H01LSemiconductor devices17%

H10KOrganic electric solid-state devices17%

B29CShaping or joining of plastics8%

B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts8%

B29LIndexing scheme associated with subclass b29c, relating to particular articles8%

Y10TTechnical subjects covered by former us classification8%

PatentTitleYear

11,008,510Light-emitting element, light-emitting device, electronic device, lighting device, and novel organic compound2021 10,897,012Light-emitting element, light-emitting device, electronic device, and lighting device2021 4,190,485'Method of welding a thermoshrinkable sheet and a device for use in the method'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980Patents assigned to SUMITOMO ELECTRIC INDUSTRIES (1)· patent assignee history

1980Based in Mito, JP· patent location history

2021Patents assigned to SEMICONDUCTOR ENERGY LAB (2)· patent assignee history

2021Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SEMICONDUCTOR ENERGY LAB	2	2021
SUMITOMO ELECTRIC INDUSTRIES	1	1980

Locations

Location	Patents	Span
Kanagawa, JP	2	2021
Mito, JP	1	1980