Inventor
OKURA ZENICHI
JP26 patents
Patents
26 patentsUS5537262AJul 16, 1996
Rotational torque setting apparatus for screw mechanism
ASAHI OPTICAL CO LTD55 citations96
US4890133ADec 26, 1989
Autofocus camera
ASAHI OPTICAL CO LTD59 citations96
US5461444AOct 24, 1995
Lens holding structure
ASAHI OPTICAL CO LTD46 citations92
US4951083AAug 21, 1990
Camera with flexible-means guide structure
ASAHI OPTICAL CO LTD29 citations92
US4416527ANov 22, 1983
Apparatus of preventing bound of diaphragm blades in camera
ASAHI OPTICAL CO LTD36 citations92
US4357089ANov 2, 1982
Electrical contact arrangement for photographic camera with interchangeable lens
ASAHI OPTICAL CO LTD49 citations92
US5886836AMar 23, 1999
Lens barrel having a cam mechanism
ASAHI OPTICAL CO LTD11 citations74
US5510936AApr 23, 1996
Apparatus for adjusting lens position
ASAHI OPTICAL CO LTD11 citations74
US5448414ASep 5, 1995
Focus adjusting apparatus of zoom lens
ASAHI OPTICAL CO LTD7 citations74
US5446593AAug 29, 1995
Lens advancing mechanism
ASAHI OPTICAL CO LTD14 citations74
US4720167AJan 19, 1988
Lens barrel with lens shutter
ASAHI OPTICAL CO LTD15 citations74
US4668047AMay 26, 1987
Lens holding system
ASAHI OPTICAL CO LTD12 citations74
US4477161AOct 16, 1984
Compensator system for diaphragm control in a single-lens reflex camera of interchangeable lens type
ASAHI OPTICAL CO LTD9 citations74
US4464040AAug 7, 1984
Camera with diaphragm adjustment control
ASAHI OPTICAL CO LTD7 citations74
US4439029AMar 27, 1984
Camera with information transmitting elements
ASAHI OPTICAL CO LTD14 citations74
US4187020AFeb 5, 1980
Tripod rack and pinion focussing mechanism rotatable relative to lens
ASAHI OPTICAL CO LTD14 citations71
US5579173ANov 26, 1996
Focus adjusting apparatus of zoom lens
ASAHI OPTICAL CO LTD3 citations63
US5270759ADec 14, 1993
Apparatus for stopping down diaphragm to an intermediate setting, upon setting diaphragm to a desired setting
ASAHI OPTICAL CO LTD2 citations63
US5250971AOct 5, 1993
Apparatus for stopping down diaphragm to an intermediate setting, upon setting diaphragm to a desired setting
ASAHI OPTICAL CO LTD3 citations63
US4621918ANov 11, 1986
Compensation for diaphragm control in SLR camera
ASAHI OPTICAL CO LTD4 citations63
US4577952AMar 25, 1986
Photographic camera having a diaphragm actuator with preliminary displacement for lens compensation
ASAHI OPTICAL CO LTD3 citations63
US4395106AJul 26, 1983
Compensation for diaphragm control in SLR camera
ASAHI OPTICAL CO LTD2 citations63
US4367939AJan 11, 1983
Automatic aperture presetting device
ASAHI OPTICAL CO LTD2 citations63
US4272175AJun 9, 1981
Automatic aperture control device
ASAHI OPTICAL CO LTD5 citations63
US4071850AJan 31, 1978
Camera lens barrel suitable for flash photography
ASAHI OPTICAL CO LTD3 citations63
US4505564AMar 19, 1985
Rotation control mechanism for diaphram-operating ring in interchangeable objective for photographic camera
ASAHI OPTICAL CO LTD5 citations62