Inventor
NAKAZAWA MASAAKI
JP20 patents
⚠️ This page may combine multiple inventors who share the name “NAKAZAWA MASAAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OLYMPUS OPTICAL CO
18 patentsUS5876326AMar 2, 1999
Electronic endoscope with grounded spirally-wound lead wires
OLYMPUS OPTICAL CO162 citations99
US5702347ADec 30, 1997
Endoscope system including endoscope and disposable protection cover
OLYMPUS OPTICAL CO150 citations99
US5507717AApr 16, 1996
Device for bending the insertion section of an endoscope
OLYMPUS OPTICAL CO193 citations99
US4918521AApr 17, 1990
Solid state imaging apparatus
OLYMPUS OPTICAL CO254 citations99
US5871441AFeb 16, 1999
Endoscope capable of manipulation soon after autoclaving
OLYMPUS OPTICAL CO92 citations98
US5735793AApr 7, 1998
Endoscope
OLYMPUS OPTICAL CO102 citations98
US5707344AJan 13, 1998
Endoscope
OLYMPUS OPTICAL CO199 citations98
US5569157AOct 29, 1996
Endoscope
OLYMPUS OPTICAL CO170 citations98
US5078144AJan 7, 1992
System for applying ultrasonic waves and a treatment instrument to a body part
OLYMPUS OPTICAL CO124 citations97
US4794913AJan 3, 1989
Suction control unit for an endoscope
OLYMPUS OPTICAL CO144 citations97
US6110104AAug 29, 2000
Endoscope system having an endoscope capable of being guided into an endoscope cover
OLYMPUS OPTICAL CO53 citations96
US5402770AApr 4, 1995
Endoscope pipeline controlling apparatus and endoscope system
OLYMPUS OPTICAL CO48 citations96
US5343855ASep 6, 1994
Endoscope pipeline controlling apparatus and endoscope system
OLYMPUS OPTICAL CO42 citations96
US4736732AApr 12, 1988
Endoscopic fluid changing device
OLYMPUS OPTICAL CO105 citations96
US4805618AFeb 21, 1989
Oviduct closing apparatus
OLYMPUS OPTICAL CO113 citations95
US5879288AMar 9, 1999
Endoscope system including both reusable-type and cover-type endoscopes
OLYMPUS OPTICAL CO45 citations93
US5863286AJan 26, 1999
Endoscope system including endoscope and disposable protection cover
OLYMPUS OPTICAL CO43 citations93
US5749829AMay 12, 1998
Endoscope system
OLYMPUS OPTICAL CO46 citations92