Inventor
OKADA TSUTOMU
JP82 patents
⚠️ This page may combine multiple inventors who share the name “OKADA TSUTOMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OLYMPUS CORP
20 patentsUS7507200B2Mar 24, 2009
Diathermic snare, medical instrument system using the snare, and method of assembling the medical instrument system
OLYMPUS CORP223 citations99
US7063661B2Jun 20, 2006
Endoscopic mucous membrane resection instrument and endoscopic mucous membrane resection method
OLYMPUS CORP59 citations96
US8353815B2Jan 15, 2013
Instrument for an endoscope
OLYMPUS CORP20 citations93
US7588580B2Sep 15, 2009
Mucosa excision device using endoscope
OLYMPUS CORP21 citations93
US7582054B2Sep 1, 2009
Endoscope treatment tool insertion-extraction system
OLYMPUS CORP19 citations93
US7122002B2Oct 17, 2006
Endoscope hood and endoscopic mucosa cutting device
OLYMPUS CORP53 citations93
US7008420B2Mar 7, 2006
High frequency surgical instrument
OLYMPUS CORP43 citations93
US7081121B2Jul 25, 2006
Apparatus for ligating living tissues
OLYMPUS CORP39 citations92
US7041118B2May 9, 2006
Multifunctional surgical operation device
OLYMPUS CORP27 citations92
US9387034B2Jul 12, 2016
High-frequency knife
OLYMPUS CORP19 citations84
US9277959B2Mar 8, 2016
Medical treatment instrument
OLYMPUS CORP7 citations84
US8016825B2Sep 13, 2011
Radio knife
OLYMPUS CORP13 citations84
US7618416B2Nov 17, 2009
High-frequency knife, endoscopic apparatus, and method of resecting lesioned mucosal part using high-frequency knife
OLYMPUS CORP15 citations84
US7520882B2Apr 21, 2009
Apparatus for ligating living tissues
OLYMPUS CORP9 citations84
US7371236B2May 13, 2008
Diathermic cutter
OLYMPUS CORP12 citations84
US9456736B2Oct 4, 2016
Endoscope, and treatment instrument for endoscope
OLYMPUS CORP8 citations82
US7125408B2Oct 24, 2006
High-frequency knife
OLYMPUS CORP10 citations74
US9649015B2May 16, 2017
Treatment tool for endoscope
OLYMPUS CORP6 citations73
US12514590B2Jan 6, 2026
Cartridge system
OLYMPUS CORP0 citations63
US11896216B2Feb 13, 2024
Method for closing wound
OLYMPUS CORP0 citations63
OLYMPUS OPTICAL CO
15 patentsUS6093196AJul 25, 2000
Basket type grasping tool for surgery
OLYMPUS OPTICAL CO219 citations99
US6071233AJun 6, 2000
Endoscope
OLYMPUS OPTICAL CO2,035 citations99
US5059199AOct 22, 1991
Treating device for endoscopes
OLYMPUS OPTICAL CO210 citations99
US4718419AJan 12, 1988
Snare assembly for endoscope
OLYMPUS OPTICAL CO225 citations99
US4638802AJan 27, 1987
High frequency instrument for incision and excision
OLYMPUS OPTICAL CO243 citations99
US4724836AFeb 16, 1988
High-frequency incision tool
OLYMPUS OPTICAL CO149 citations98
US4643187AFeb 17, 1987
High-frequency incising and excising instrument
OLYMPUS OPTICAL CO145 citations98
US4592341AJun 3, 1986
Method and apparatus for guiding prosthesis
OLYMPUS OPTICAL CO252 citations98
US5078144AJan 7, 1992
System for applying ultrasonic waves and a treatment instrument to a body part
OLYMPUS OPTICAL CO124 citations97
US5163938ANov 17, 1992
High-frequency surgical treating device for use with endoscope
OLYMPUS OPTICAL CO170 citations96
US4768505ASep 6, 1988
Calculus crushing apparatus
OLYMPUS OPTICAL CO56 citations96
US4741335AMay 3, 1988
Calculus crushing apparatus
OLYMPUS OPTICAL CO114 citations96
US4691705ASep 8, 1987
Calculus crushing apparatus
OLYMPUS OPTICAL CO87 citations96
US6605104B2Aug 12, 2003
Grasping forceps for endoscope
OLYMPUS OPTICAL CO51 citations91
US4979518ADec 25, 1990
Body depth heating hyperthermal apparatus
OLYMPUS OPTICAL CO33 citations90
OLYMPUS MEDICAL SYSTEMS CORP
7 patentsUS7775973B2Aug 17, 2010
Endoscope system
OLYMPUS MEDICAL SYSTEMS CORP97 citations96
US8382660B2Feb 26, 2013
Endoscope system having an endoscope and a tissue-collecting apparatus
OLYMPUS MEDICAL SYSTEMS CORP27 citations93
US7918785B2Apr 5, 2011
Medical apparatus, treatment instrument for endoscope and endoscope apparatus
OLYMPUS MEDICAL SYSTEMS CORP33 citations93
US7963910B2Jun 21, 2011
Endoscope accessory, endoscope system and method for mounting endoscope accessory to endoscope
OLYMPUS MEDICAL SYSTEMS CORP9 citations84
US8771171B2Jul 8, 2014
Endoscope, and treatment instrument for endoscope
OLYMPUS MEDICAL SYSTEMS CORP11 citations82
US12582406B2Mar 24, 2026
Cartridge and cartridge system
OLYMPUS MEDICAL SYSTEMS CORP0 citations63
US12582405B2Mar 24, 2026
Cartridge and cartridge system
OLYMPUS MEDICAL SYSTEMS CORP0 citations63
SAKAMOTO YUJI
1 patentHONDA KAZUKI
1 patentOKADA TSUTOMU
1 patentMUYARI YUTA
1 patentHIGASHI NAOKI
1 patentMURAKAMI KAZUSHI
1 patentITO JIN
1 patentMURATA MANUFACTURING CO
1 patentShowing the top 50 of 82 patents by PatentIndex Score.