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Inventor

Hideo Hirane

Inventor
Hitachi, JP

Overview

6→
Patents
1983–1992
Patent span
Physics
Primary field (CPC G)

Patents· 6 as inventor

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

H04Nprimary
H04NPictorial communication, e.g. television40%
G06KGraphical data reading30%
B41JTypewriters10%
G01DMeasuring not specially adapted for a specific variable10%
G03GElectrography10%
PatentTitleYear
5,160,837'Light emitter array diagnostic apparatus'19925,138,310'Light-emitting element array driver circuit'19924,967,192'Light-emitting element array driver circuit'19904,962,375'Driving circuit for a light emitting diode array'19904,654,677'Recording apparatus'19874,413,285'Facsimile apparatus'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–1992Patents assigned to HITACHI LTD (6)· patent assignee history
1983–1992Based in Hitachi, JP· patent location history
1990–1992Patents assigned to HITACHI CABLE (4)· patent assignee history
1990Patents assigned to SEIKO INSTR INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD61983–1992
HITACHI CABLE41990–1992
SEIKO INSTR INC11990
Locations
LocationPatentsSpan
Hitachi, JP61983–1992