Inventor

Fumio Urano

Inventor

Omiya, JP

Overview

1976–1986

Patent span

Physics

Primary field (CPC G)

Patents· 37 as inventor

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

G03Bprimary

G03BApparatus or arrangements for taking photographs or for projecting or viewing them92%

F16JPistons3%

H04NPictorial communication, e.g. television3%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%

PatentTitleYear

4,621,918'Compensation for diaphragm control in SLR camera'1986 4,589,750'Adapter for connecting single-lens reflex camera lens to video camera'1986 4,577,952'Photographic camera having a diaphragm actuator with preliminary displacement for lens compensation'1986 4,558,368'Stop control apparatus for electronic camera'1985 4,477,161'Compensator system for diaphragm control in a single-lens reflex camera of interchangeable lens type'1984 4,440,403'Drop-proof and dust-proof device in rotary operation section of camera'1984 4,429,973'Compensation for diaphragm control for SLR camera'1984 4,395,106'Compensation for diaphragm control in SLR camera'1983 4,239,360'Indication device in the finder of a single-lens reflex camera'1980 4,222,651'Camera film rewinding device'1980 4,212,525'Release device in a camera having a motor drive unit'1980 4,209,247'Environmentally protected camera with an interchangeable drawing type finder'1980 4,208,118'Moisture and dust proof sealing arrangement for camera body rear cover'1980 4,202,617'Shutter release security device in motor drive camera'1980 4,201,462'Lens barrel having an aperture information transmission section'1980 4,191,463'Counter device for multiple exposure in a camera'1980 4,181,411'Indicator device used in camera to indicate exposure values within a finder'1980 4,180,311'Interlocking device for indication in the finder of a single-lens reflex camera'1979 4,164,369'Diopter-adjusting device for use in finder-interchangeable type single lens reflex camera'1979 4,141,633'Exposure control device'1979 4,135,795'Digital indicator device for indicating photographing exposure values in the form of digits'1979 4,132,472'Replaceable finder system for single-lens reflex camera'1979 4,126,873'Control circuit for the shutter holding magnet of a camera'1978 4,123,764'Exposure control device'1978 4,110,765'Light-measuring systems for single lens reflex cameras'1978 4,099,195'Camera having automatic and manual exposure-time determination'1978 4,099,188'Automatic exposure control device for single lens reflex camera'1978 4,081,807'Reflex mirror for single lens reflex camera'1978 4,075,641'Automatic exposure control device in a camera'1978 4,067,033'Correcting device for cameras with automatic exposure control'1978 4,067,023'Shutter speed digital display device for cameras'1978 4,051,503'Exposure display device for a single lens reflex camera'1977 4,034,390'Magnet warning device for focal plane electric shutter camera'1977 3,996,593'Exposure control device in a camera'1976 3,990,089'Camera shutter multi-mode controller providing in one mode a power-saving interval'1976 3,956,757'Camera exposure control circuit'1976 3,936,843'Camera with optionally operable manual controls'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1986Patents assigned to ASAHI OPTICAL CO LTD (37)· patent assignee history

1976–1986Based in Omiya, JP· patent location history

1985–1986Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ASAHI OPTICAL CO LTD	37	1976–1986

Locations

Location	Patents	Span
Omiya, JP	34	1976–1986
Tokyo, JP	3	1985–1986