Inventor · disambiguated record
Hitoshi Karasawa
Also filed as: KARASAWA HITOSHI
50 granted patents·12 pending applications·7,785 citations·filing 1977–2010
99Inventor score
Files withOLYMPUS OPTICAL CO27HONDA MOTOR CO LTD9OLYMPUS MEDICAL SYSTEMS CORP8OLYMPUS CORP5ASADA DAISUKE3
Top patents by PatentIndex Score
62 records- 0199US4961424AUltrasonic treatment deviceOLYMPUS OPTICAL CO·Filed 1988·Granted Oct 9, 1990·237 cites·2 claims
- 0297US5154723ACerebral surgery apparatusOLYMPUS OPTICAL CO·Filed 1992·Granted Oct 13, 1992·217 cites·45 claims
- 0396US4979952AUltrasonic vibration treatment apparatusOLYMPUS OPTICAL CO·Filed 1990·Granted Dec 25, 1990·1.4k cites·8 claims
- 0495US5588948AStereoscopic endoscopeOLYMPUS OPTICAL CO·Filed 1993·Granted Dec 31, 1996·176 cites·14 claims
- 0594US6761698B2Ultrasonic operation systemOLYMPUS CORP·Filed 2001·Granted Jul 13, 2004·423 cites·19 claims
- 0694US5836897AUltrasonic treatment apparatusOLYMPUS OPTICAL CO·Filed 1997·Granted Nov 17, 1998·677 cites·2 claims
- 0793US5391144AUltrasonic treatment apparatusOLYMPUS OPTICAL CO·Filed 1993·Granted Feb 21, 1995·490 cites·70 claims
- 0890US5575756AEndoscope apparatusOLYMPUS OPTICAL CO·Filed 1994·Granted Nov 19, 1996·494 cites·13 claims
- 0990US5047043AResecting device for living organism tissue utilizing ultrasonic vibrationsOLYMPUS OPTICAL CO·Filed 1989·Granted Sep 10, 1991·336 cites·5 claims
- 1089US5042460AUltrasonic treating apparatus with device for inhibiting drive when ultrasonic element is determined to be defectiveOLYMPUS OPTICAL CO·Filed 1989·Granted Aug 27, 1991·285 cites·18 claims
- 1188US8267854B2Endoscope systemASADA DAISUKE·Filed 2008·Granted Sep 18, 2012·69 cites·2 claims
- 1288US6986686B2Electrical plug for supplying electric power from a power supply to a medical instrumentOLYMPUS CORP·Filed 2002·Granted Jan 17, 2006·45 cites·37 claims
- 1387US6515250B2Electric joining method and apparatus and a joined unit of membersSUMITOMO COAL MINING·Filed 2001·Granted Feb 4, 2003·25 cites·15 claims
- 1486US8182414B2Endoscope system having retaining instrumentHANDA KEIJI·Filed 2008·Granted May 22, 2012·67 cites·6 claims
- 1586US4867138ARigid electronic endoscopeOLYMPUS OPTICAL CO·Filed 1988·Granted Sep 19, 1989·244 cites·28 claims
- 1685US5163433AUltrasound type treatment apparatusOLYMPUS OPTICAL CO·Filed 1991·Granted Nov 17, 1992·342 cites·12 claims
- 1785US4905082ARigid video endoscope having a detachable imaging unitOLYMPUS OPTICAL CO·Filed 1988·Granted Feb 27, 1990·214 cites·35 claims
- 1884US6631542B1Method of manufacturing laminated ring and heat treatment apparatus for use in such methodHONDA MOTOR CO LTD·Filed 2000·Granted Oct 14, 2003·29 cites·10 claims
- 1982US8475359B2Medical apparatusASADA DAISUKE·Filed 2009·Granted Jul 2, 2013·32 cites·7 claims
- 2082US6478498B1Ball for ball-point pen and ball-point penFiled 2000·Granted Nov 12, 2002·22 cites·9 claims
- 2182US5720706AStereoscopic endoscopeOLYMPUS OPTICAL CO·Filed 1995·Granted Feb 24, 1998·68 cites·10 claims
- 2282US5577991AThree-dimensional vision endoscope with position adjustment means for imaging device and visual field maskOLYMPUS OPTICAL CO·Filed 1995·Granted Nov 26, 1996·324 cites·2 claims
- 2381US5076276AUltrasound type treatment apparatusOLYMPUS OPTICAL CO·Filed 1990·Granted Dec 31, 1991·258 cites·20 claims
- 2480US8088065B2Medical instrumentKARASAWA HITOSHI·Filed 2010·Granted Jan 3, 2012·16 cites·8 claims
- 2580US7497132B2Magnetostrictive torque sensor and electrically powered steering apparatus using sameHONDA MOTOR CO LTD·Filed 2006·Granted Mar 3, 2009·14 cites·6 claims
- 2680US6550122B1Method of manufacturing laminated ringHONDA MOTOR CO LTD·Filed 2000·Granted Apr 22, 2003·13 cites·6 claims
- 2780US6398721B1Surgical microscope apparatusOLYMPUS OPTICAL CO·Filed 2000·Granted Jun 4, 2002·125 cites·25 claims
- 2879US8317814B2Medical device and process of installing medical device in patientKARASAWA HITOSHI·Filed 2009·Granted Nov 27, 2012·23 cites·9 claims
- 2979US7677115B2Magnetostrictive torque sensor and electric power steering apparatusHONDA MOTOR CO LTD·Filed 2007·Granted Mar 16, 2010·12 cites·3 claims
- 3079US5697939AApparatus for holding a medical instrument in placeOLYMPUS OPTICAL CO·Filed 1995·Granted Dec 16, 1997·275 cites·18 claims
- 3178US5620575AComposite plating apparatus and apparatus for dispersing air bubbles within a composite plating solutionHONDA MOTOR CO LTD·Filed 1994·Granted Apr 15, 1997·28 cites·10 claims
- 3276US4989588AMedical treatment device utilizing ultrasonic waveOLYMPUS OPTICAL CO·Filed 1987·Granted Feb 5, 1991·130 cites·13 claims
- 3375US8517927B2Medical instrumentASADA DAISUKE·Filed 2010·Granted Aug 27, 2013·9 cites·2 claims
- 3475US4726370AResectoscope deviceOLYMPUS OPTICAL CO·Filed 1986·Granted Feb 23, 1988·123 cites·5 claims
- 3571US7025763B2Medical apparatusOLYMPUS CORP·Filed 2003·Granted Apr 11, 2006·64 cites·7 claims
- 3670US7306599B2Medical instrument and medical instrument systemOLYMPUS CORP·Filed 2004·Granted Dec 11, 2007·47 cites·18 claims
- 3767US5211625AUltrasonic treatment apparatusOLYMPUS OPTICAL CO·Filed 1991·Granted May 18, 1993·130 cites·8 claims
- 3867US4080268AMethod for high speed chromium plating of cylindrical articlesNIPPON PISTON RING CO LTD·Filed 1977·Granted Mar 21, 1978·15 cites·4 claims
- 3966US6572537B2Endoscope apparatusOLYMPUS OPTICAL CO·Filed 2001·Granted Jun 3, 2003·37 cites·24 claims
- 4064US8237782B2Medical instrument with mechanism for removing contaminant on observation windowKARASAWA HITOSHI·Filed 2010·Granted Aug 7, 2012·3 cites·6 claims
- 4159US6899265B2Electric joining method and apparatus and a joined unit of membersSUWANETSU KOGYO CO LTD·Filed 2003·Granted May 31, 2005·6 cites·8 claims
- 4259US4649917AResectoscope with matching markers and method of assemblyOLYMPUS OPTICAL CO·Filed 1984·Granted Mar 17, 1987·40 cites·9 claims
- 4358US7966897B2Plating apparatusHONDA MOTOR CO LTD·Filed 2007·Granted Jun 28, 2011·0 cites·14 claims
- 4457US5540829AComposite plating method for hollow memberHONDA MOTOR CO LTD·Filed 1994·Granted Jul 30, 1996·13 cites·7 claims
- 4553US5688235AUltrasonic treatment apparatusOLYMPUS OPTICAL CO·Filed 1996·Granted Nov 18, 1997·51 cites·10 claims
- 4652US8353820B2Medical apparatusOLYMPUS MEDICAL SYSTEMS CORP·Filed 2009·Granted Jan 15, 2013·0 cites·14 claims
- 4751US2009322864A1Medical apparatus and medical equipmentOLYMPUS MEDICAL SYSTEMS CORP·Filed 2009·Application pending·0 cites
- 4850US2009306470A1Medical apparatusOLYMPUS MEDICAL SYSTEMS CORP·Filed 2009·Application pending·0 cites
- 4949US2008309758A1Endoscope system, camera set on body cavity inner wall and method of setting the camera set on body cavity inner wall on inner surface of body cavity wallOLYMPUS MEDICAL SYSTEMS CORP·Filed 2008·Application pending·0 cites
- 5049US2009082627A1Medical apparatusOLYMPUS MEDICAL SYSTEMS CORP·Filed 2008·Application pending·0 cites
Showing the top 50 of 62 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →