Inventor

Sumiyuki Midorikawa

Inventor

Hitachi, JP

Overview

2→

Patents

1984–1987

Patent span

General tagging of new technological developments

Primary field (CPC Y)

Patents· 2 as inventor

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

H10Fprimary

H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation33%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution33%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium17%

Y02PClimate change mitigation technologies in the production or processing of goods17%

PatentTitleYear

4,643,913'Process for producing solar cells'1987 4,486,232'Electrode material for semi-conductor devices'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–1987Patents assigned to HITACHI LTD (2)· patent assignee history

1984–1987Based in Hitachi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI LTD	2	1984–1987

Locations

Location	Patents	Span
Hitachi, JP	2	1984–1987