Inventor

Ginro Takemura

Inventor

Okegawa, JP

Overview

1→

Patents

1983

Patent span

Electricity

Primary field (CPC H)

Patents· 1 as inventor

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

G02Bprimary

G02BOptical elements, systems or apparatus25%

H04BTransmission25%

H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation25%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1025%

PatentTitleYear

4,367,483'Optical semiconductor device'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983Patents assigned to HITACHI LTD (1)· patent assignee history

1983Based in Okegawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI LTD	1	1983

Locations

Location	Patents	Span
Okegawa, JP	1	1983