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Inventor

Hiroshi Hisada

Inventor
Moriyama, JP

Overview

2→
Patents
1976–1993
Patent span
Physics
Primary field (CPC G)

Patents· 2 as inventor

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

G06Tprimary
G06TImage data processing or generation, in general25%
G06VImage or video recognition or understanding25%
H01JElectric discharge tubes or discharge lamps25%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests25%
PatentTitleYear
5,201,012'Image binarization threshold computing apparatus'19933,988,636'Magnetron with cathode end shields coated with secondary electron emission inhibiting material'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976Patents assigned to HITACHI LTD (1)· patent assignee history
1976Based in Ichihara, JP· patent location history
1993Patents assigned to OMRON TATEISI ELECTRONICS CO (1)· patent assignee history
1993Based in Moriyama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD11976
OMRON TATEISI ELECTRONICS CO11993
Locations
LocationPatentsSpan
Moriyama, JP11993
Ichihara, JP11976