Inventor
KOYAMA MITSUO
JP20 patents
⚠️ This page may combine multiple inventors who share the name “KOYAMA MITSUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO KOKI KK
18 patentsUS4150890AApr 24, 1979
Device in camera shutter for maintaining separate blades in intimate contact with each other
SEIKO KOKI KK10 citations73
US4145132AMar 20, 1979
Opening and closing device of a camera shutter mechanism
SEIKO KOKI KK8 citations73
US4119986AOct 10, 1978
Control device of a shutter for a camera
SEIKO KOKI KK7 citations73
US4110772AAug 29, 1978
Camera shutter having bound prevention device
SEIKO KOKI KK12 citations73
US4054892AOct 18, 1977
Slit shutter blade stabilizing device for cameras
SEIKO KOKI KK14 citations73
US3946413AMar 23, 1976
Shutter blade rebound preventive device for camera shutter
SEIKO KOKI KK11 citations73
US4143957AMar 13, 1979
Control device of shutter for camera
SEIKO KOKI KK2 citations62
US4142789AMar 6, 1979
Charging mechanism of a camera shutter
SEIKO KOKI KK2 citations62
US4114174ASep 12, 1978
Shutter opening and closing mechanism for cameras
SEIKO KOKI KK5 citations62
US4091401AMay 23, 1978
Driving force-adjusting mechanism for camera shutter
SEIKO KOKI KK4 citations62
US3950772AApr 13, 1976
Shutter for a camera
SEIKO KOKI KK4 citations62
US4104665AAug 1, 1978
Contact mechanism of shutter for camera
SEIKO KOKI KK2 citations59
US4259001AMar 31, 1981
Actuating lever stopping device of a camera shutter mechanism
SEIKO KOKI KK1 citations52
US4229093AOct 21, 1980
Control device in a shutter for a camera
SEIKO KOKI KK1 citations52
US4092657AMay 30, 1978
Electrically operated shutter with a mechanical control device
SEIKO KOKI KK1 citations52
US4204763AMay 27, 1980
Exposure time setting device for shutter of camera
SEIKO KOKI KK0 citations41
US4134659AJan 16, 1979
Camera shutter control means
SEIKO KOKI KK0 citations41
US4110767AAug 29, 1978
Shutter and view finder for single lens reflex camera
SEIKO KOKI KK0 citations41