Inventor

Eiichi Hara

Inventor

Chigasaki, JP

Overview

6→

Patents

1984–1992

Patent span

Electricity

Primary field (CPC H)

Patents· 6 as inventor

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

H04Nprimary

H04NPictorial communication, e.g. television50%

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

B41JTypewriters13%

G06VImage or video recognition or understanding13%

PatentTitleYear

5,130,822'Method and apparatus for correcting an image signal'1992 4,996,438'Line image sensor with controlled photosensitivity'1991 4,977,313'Facsimile equipment with direct-contact-type image sensor'1990 4,940,888'Direct-contact-type image sensor and image sensor assembly'1990 4,636,813'Thermal print head'1987 4,446,364'Photoelectric converter on a transmissive substrate having light shielding'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–1992Patents assigned to HITACHI LTD (6)· patent assignee history

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

1990–1992Based in Chigasaki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI LTD	6	1984–1992

Locations

Location	Patents	Span
Chigasaki, JP	4	1990–1992
Yokohama, JP	2	1984–1987