Inventor

Toshihumi Yoshikawa

Inventor

Nara, JP

Overview

3→

Patents

1982–1997

Patent span

Electricity

Primary field (CPC H)

Patents· 3 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 radiation38%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1038%

G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light13%

G06KGraphical data reading13%

PatentTitleYear

5,648,687'Resin for sealing compound semiconductor, semiconductor device, and process for manufacturing it'1997 4,318,115'Dual junction photoelectric semiconductor device'1982 4,309,604'Apparatus for sensing the wavelength and intensity of light'1982

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982–1997Patents assigned to SHARP KK (3)· patent assignee history

1982–1997Based in Nara, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SHARP KK	3	1982–1997

Locations

Location	Patents	Span
Nara, JP	3	1982–1997