Inventor
OHKURA TADAHISA
JP18 patents
⚠️ This page may combine multiple inventors who share the name “OHKURA TADAHISA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PENTAX CORP
7 patentsUS6718135B2Apr 6, 2004
Flash photography system
PENTAX CORP52 citations92
US6826364B2Nov 30, 2004
Zoom flash and flash photography system
PENTAX CORP14 citations83
US6571061B2May 27, 2003
Uniform flash-emission controller
PENTAX CORP13 citations83
US6512890B2Jan 28, 2003
Multi-flash photography system
PENTAX CORP13 citations83
US6498901B2Dec 24, 2002
Flash photography system
PENTAX CORP8 citations73
US7313323B2Dec 25, 2007
Camera system with a photometering device and an external operating device
PENTAX CORP0 citations52
US7035536B2Apr 25, 2006
Flash control mechanism
PENTAX CORP0 citations42
ASAHI OPTICAL CO LTD
7 patentsUS6427051B1Jul 30, 2002
Controller for controlling a camera having a built-in flash
ASAHI OPTICAL CO LTD22 citations92
US6341202B1Jan 22, 2002
Operation dial with an illuminator for a camera
ASAHI OPTICAL CO LTD22 citations92
US6222622B1Apr 24, 2001
Photometering apparatus for a camera
ASAHI OPTICAL CO LTD8 citations73
US6343189B1Jan 29, 2002
Controller for controlling a built-in flash of a camera
ASAHI OPTICAL CO LTD5 citations63
US6229602B1May 8, 2001
Photometering apparatus
ASAHI OPTICAL CO LTD5 citations62
US6122451ASep 19, 2000
Setting apparatus for camera
ASAHI OPTICAL CO LTD3 citations62
US6014525AJan 11, 2000
Photometric device
ASAHI OPTICAL CO LTD5 citations62