Inventor
UMETSU JUNJI
JP10 patents
Patents
10 patentsUS4244591AJan 13, 1981
Device for protecting the operating section of a camera from water drops and dust
ASAHI OPTICAL CO LTD21 citations81
US4440403AApr 3, 1984
Drop-proof and dust-proof device in rotary operation section of camera
ASAHI OPTICAL CO LTD14 citations73
US4208118AJun 17, 1980
Moisture and dust proof sealing arrangement for camera body rear cover
ASAHI OPTICAL CO LTD12 citations73
US4132472AJan 2, 1979
Replaceable finder system for single-lens reflex camera
ASAHI OPTICAL CO LTD8 citations73
US5253004AOct 12, 1993
Control device for camera
ASAHI OPTICAL CO LTD16 citations72
US4209247AJun 24, 1980
Environmentally protected camera with an interchangeable drawing type finder
ASAHI OPTICAL CO LTD15 citations71
US4212525AJul 15, 1980
Release device in a camera having a motor drive unit
ASAHI OPTICAL CO LTD5 citations62
US4202617AMay 13, 1980
Shutter release security device in motor drive camera
ASAHI OPTICAL CO LTD2 citations62
US4067033AJan 3, 1978
Correcting device for cameras with automatic exposure control
ASAHI OPTICAL CO LTD6 citations62
US4455723AJun 26, 1984
Removable coupling device between a photographic camera and an accessory
ASAHI OPTICAL CO LTD6 citations61