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Inventor

Haruo Maeda

Inventor
Hino, JP

Overview

15→
Patents
1976–2008
Patent span
Physics
Primary field (CPC G)

Patents· 15 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus43%
H04NPictorial communication, e.g. television14%
B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling10%
G08BSignalling systems, e.g. personal calling systems10%
Y10TTechnical subjects covered by former us classification10%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them5%
G05BControl or regulating systems in general5%
H04JMultiplex communication5%
PatentTitleYear
7,372,503'Imaging apparatus'20086,783,286'Monitoring camera with detachable lens housing'20046,728,480'Casing with improved drain hole'20046,618,455'Clock management method and transmission apparatus for synchronous network system'20035,555,051'Back-focus adjusting device for a video camera'19964,664,570'Method of operating a numerically controlled machine tool having a worktable capable of rotation about two intersecting axes'19874,436,383'F-.theta. lens system'19844,417,486'Apparatus for angularly positioning'19834,401,362'f-.theta. Lens system'19834,269,478'Constant-speed scanning lens system'19814,264,139'Lens system for facsimile'19814,206,975'Retrofocus type wide-angle lens system'19804,206,974'High resolution objective lens system'19804,002,407'Objective'19773,989,317'Objective lens system'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1984Patents assigned to OLYMPUS OPTICAL CO (8)· patent assignee history
1976–1977Based in Fuchu, JP· patent location history
1980–1983Based in Hino, JP· patent location history
1983–1987Patents assigned to KOMATSU MFG CO LTD (2)· patent assignee history
1983–1987Based in Komatsu, JP· patent location history
1996–2008Patents assigned to ELMO CO LTD (4)· patent assignee history
1996–2008Based in Tsushima, JP· patent location history
2003Patents assigned to FUJITSU LTD (1)· patent assignee history
2003Based in Kanazawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
OLYMPUS OPTICAL CO81976–1984
ELMO CO LTD41996–2008
KOMATSU MFG CO LTD21983–1987
FUJITSU LTD12003
Locations
LocationPatentsSpan
Hino, JP51980–1983
Tsushima, JP41996–2008
Komatsu, JP21983–1987
Fuchu, JP21976–1977
Kanazawa, JP12003