Inventor
HARAGUCHI KEISUKE
JP41 patents
⚠️ This page may combine multiple inventors who share the name “HARAGUCHI KEISUKE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ASAHI OPTICAL CO LTD
40 patentsUS4944030AJul 24, 1990
Lens shutter camera including zoom lens
ASAHI OPTICAL CO LTD124 citations99
US4936664AJun 26, 1990
Zoom lens drive system for camera
ASAHI OPTICAL CO LTD70 citations96
US5214462AMay 25, 1993
Lens shutter camera including zoom lens and barrier mechanisms
ASAHI OPTICAL CO LTD24 citations92
US5157429AOct 20, 1992
Lens shutter camera including zoom lens
ASAHI OPTICAL CO LTD25 citations92
US5016032AMay 14, 1991
Lens shutter camera including zoom lens
ASAHI OPTICAL CO LTD23 citations92
US5077567ADec 31, 1991
Water-sealed camera
ASAHI OPTICAL CO LTD56 citations91
US4522478AJun 11, 1985
Cover-equipped camera
ASAHI OPTICAL CO LTD27 citations91
US5966551AOct 12, 1999
Lens shutter camera including zoom lens
ASAHI OPTICAL CO LTD13 citations82
US5673099ASep 30, 1997
Lens shutter camera including zoom lens
ASAHI OPTICAL CO LTD9 citations82
US5475456ADec 12, 1995
Zoom lens drive system for lens shutter type of camera
ASAHI OPTICAL CO LTD18 citations82
US5321462AJun 14, 1994
Lens shutter camera including zoom lens
ASAHI OPTICAL CO LTD13 citations82
US5162831ANov 10, 1992
Zoom lens drive system for camera
ASAHI OPTICAL CO LTD21 citations82
US5142315AAug 25, 1992
Lens shutter type of camera including zoom lens
ASAHI OPTICAL CO LTD17 citations82
US4500184AFeb 19, 1985
Electronic flash camera
ASAHI OPTICAL CO LTD20 citations81
US5897227AApr 27, 1999
Zoom lens drive system for lens shutter type of camera
ASAHI OPTICAL CO LTD10 citations74
US5713051AJan 27, 1998
Lens shutter camera including zoom lens
ASAHI OPTICAL CO LTD6 citations74
US5583596ADec 10, 1996
Lens shutter camera including zoom lens
ASAHI OPTICAL CO LTD3 citations74
US5465131ANov 7, 1995
Lens shutter camera including zoom lens
ASAHI OPTICAL CO LTD5 citations74
US5280317AJan 18, 1994
Lens shutter camera including zoom lens drive system
ASAHI OPTICAL CO LTD16 citations74
US5276475AJan 4, 1994
Lens shutter camera including zoom lens
ASAHI OPTICAL CO LTD9 citations74
US5264885ANov 23, 1993
Lens shutter camera including zoom lens
ASAHI OPTICAL CO LTD10 citations74
US5233472AAug 3, 1993
Method of controlling a zoom lens assembly
ASAHI OPTICAL CO LTD14 citations74
US5150145ASep 22, 1992
Lens shutter camera including zoom lens
ASAHI OPTICAL CO LTD14 citations74
US4427277AJan 24, 1984
Structure for mounting cover for automatic focus detecting device
ASAHI OPTICAL CO LTD10 citations74
US4314747AFeb 9, 1982
Light shielding device for automatic focus detecting
ASAHI OPTICAL CO LTD7 citations74
US4240734ADec 23, 1980
Motor-drive camera using a cartridge film
ASAHI OPTICAL CO LTD10 citations74
US4191463AMar 4, 1980
Counter device for multiple exposure in a camera
ASAHI OPTICAL CO LTD8 citations74
US3964078AJun 15, 1976
Electro-mechanical arrangement in a single lens reflex camera having a detachable bottom cover plate for providing access to a circuit board of the arrangement
ASAHI OPTICAL CO LTD9 citations74
US4544251AOct 1, 1985
Compact camera
ASAHI OPTICAL CO LTD7 citations72
US4443085AApr 17, 1984
Camera with an interchangeable lens
ASAHI OPTICAL CO LTD13 citations72
US6094535AJul 25, 2000
Zoom lens drive system for lens shutter type of camera
ASAHI OPTICAL CO LTD2 citations63
US5740476AApr 14, 1998
Zoom lens drive system for lens shutter type of camera
ASAHI OPTICAL CO LTD2 citations63
US5598240AJan 28, 1997
Zoom lens drive system for lens shutter type of camera
ASAHI OPTICAL CO LTD3 citations63
US4342508AAug 3, 1982
Mirror operating mechanism in single-lens reflex camera
ASAHI OPTICAL CO LTD6 citations63
US4311376AJan 19, 1982
Mirror operating mechanism for single-lens reflex camera
ASAHI OPTICAL CO LTD3 citations63
US4198149AApr 15, 1980
Locking shutter speed dial device for a camera
ASAHI OPTICAL CO LTD4 citations63
US4042942AAug 16, 1977
Camera with motor drive
ASAHI OPTICAL CO LTD4 citations63
US3936846AFeb 3, 1976
Battery magazine in single lens reflex camera
ASAHI OPTICAL CO LTD3 citations63
US4365883ADec 28, 1982
Focusing screen holding device
ASAHI OPTICAL CO LTD6 citations61
US4256394AMar 17, 1981
Camera automatic film winding device
ASAHI OPTICAL CO LTD1 citations52