Inventor
NAKASIMA MASAAKI
JP10 patents
⚠️ This page may combine multiple inventors who share the name “NAKASIMA MASAAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ASAHI OPTICAL CO LTD
9 patentsUS5830121ANov 3, 1998
Endoscopic apparatus having an endoscope and a peripheral device wherein total usage of the endoscope is quantified and recorded
ASAHI OPTICAL CO LTD303 citations98
US5967969AOct 19, 1999
Endoscopic apparatus having a peripheral light source
ASAHI OPTICAL CO LTD43 citations96
US4951134AAug 21, 1990
Color tone controller for endoscope
ASAHI OPTICAL CO LTD65 citations95
US5159380AOct 27, 1992
Photographing light quantity controller for endoscope
ASAHI OPTICAL CO LTD22 citations92
US5899852AMay 4, 1999
Endoscope system with operation invalidating device
ASAHI OPTICAL CO LTD10 citations73
US5220912AJun 22, 1993
Light source apparatus for endoscope
ASAHI OPTICAL CO LTD11 citations73
US5184170AFeb 2, 1993
Photographing light quantity controller for endoscope
ASAHI OPTICAL CO LTD13 citations73
US5115261AMay 19, 1992
Photographing light quantity controller for endoscope
ASAHI OPTICAL CO LTD9 citations71
USRE36582EFeb 22, 2000
Photographing light quantity controller for endoscope
ASAHI OPTICAL CO LTD5 citations62