Inventor

Kazutaka Kimura

Inventor

Ibaraki, JP

Overview

3→

Patents

2003–2021

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.

C07Bprimary

C07BGeneral methods of organic chemistry20%

C07CAcyclic or carbocyclic compounds20%

Y02PClimate change mitigation technologies in the production or processing of goods20%

H01LSemiconductor devices10%

H04NPictorial communication, e.g. television10%

H10DInorganic electric semiconductor devices10%

H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation10%

PatentTitleYear

11,101,302Imaging device and electronic device2021 6,784,321'Process for producing retinol and intermediate compounds for producing the same'2004 6,660,888'Process for producing retinol and intermediate compounds for producing the same'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2004Patents assigned to SUMITOMO CHEMICAL CO (2)· patent assignee history

2003–2004Based in Ibaraki, JP· patent location history

2021Patents assigned to SEMICONDUCTOR ENERGY LAB (1)· patent assignee history

2021Based in Yokohama-shi, Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SUMITOMO CHEMICAL CO	2	2003–2004
SEMICONDUCTOR ENERGY LAB	1	2021

Locations

Location	Patents	Span
Ibaraki, JP	2	2003–2004
Yokohama-shi, Kanagawa, JP	1	2021