Inventor · disambiguated record
Mitsumasa Okada
Also filed as: OKADA MITSUMASA
35 granted patents·5 pending applications·12,678 citations·filing 1990–2012
99Inventor score
Files withOLYMPUS OPTICAL CO21FUJITSU LTD6OLYMPUS CORP6OKADA MITSUMASA2OLYMPUS MEDICAL SYSTEMS CORP2
Top patents by PatentIndex Score
40 records- 0198US6056735AUltrasound treatment systemOLYMPUS OPTICAL CO·Filed 1997·Granted May 2, 2000·2.1k cites·57 claims
- 0297US8672935B2Ultrasound treatment systemOKADA MITSUMASA·Filed 2010·Granted Mar 18, 2014·1k cites·15 claims
- 0397US6066151AUltrasonic surgical apparatusOLYMPUS OPTICAL CO·Filed 1998·Granted May 23, 2000·1.5k cites·15 claims
- 0496US7922651B2Ultrasonic treatment apparatus, endoscope apparatus, and treatment methodOLYMPUS CORP·Filed 2006·Granted Apr 12, 2011·375 cites·4 claims
- 0596US7667592B2Operation system and method of notifying system operation information of sameOLYMPUS MEDICAL SYSTEMS CORP·Filed 2007·Granted Feb 23, 2010·360 cites·7 claims
- 0695US9326787B2Energy treatment instrumentSANAI HIDEO·Filed 2012·Granted May 3, 2016·229 cites·5 claims
- 0795US7780659B2Ultrasound treatment systemOLYMPUS CORP·Filed 2003·Granted Aug 24, 2010·392 cites·17 claims
- 0894US6761698B2Ultrasonic operation systemOLYMPUS CORP·Filed 2001·Granted Jul 13, 2004·423 cites·19 claims
- 0994US5836897AUltrasonic treatment apparatusOLYMPUS OPTICAL CO·Filed 1997·Granted Nov 17, 1998·677 cites·2 claims
- 1093US6669690B1Ultrasound treatment systemOLYMPUS OPTICAL CO·Filed 1999·Granted Dec 30, 2003·472 cites·33 claims
- 1193US5391144AUltrasonic treatment apparatusOLYMPUS OPTICAL CO·Filed 1993·Granted Feb 21, 1995·490 cites·70 claims
- 1292US6887252B1Ultrasonic treatment applianceOLYMPUS CORP·Filed 2000·Granted May 3, 2005·377 cites·25 claims
- 1391US6139561AUltrasonic medical instrumentOLYMPUS OPTICAL CO·Filed 1999·Granted Oct 31, 2000·480 cites·14 claims
- 1491US5818527AImage processor for correcting distortion of central portion of image and preventing marginal portion of the image from protrudingOLYMPUS OPTICAL CO·Filed 1995·Granted Oct 6, 1998·150 cites·40 claims
- 1590US6340352B1Ultrasound treatment systemOLYMPUS OPTICAL CO·Filed 1999·Granted Jan 22, 2002·433 cites·17 claims
- 1690US6193709B1Ultrasonic treatment apparatusOLYMPUS OPTICAL CO·Filed 1999·Granted Feb 27, 2001·496 cites·24 claims
- 1790US6129735AUltrasonic treatment applianceOLYMPUS OPTICAL CO·Filed 1998·Granted Oct 10, 2000·484 cites·64 claims
- 1890US5575756AEndoscope apparatusOLYMPUS OPTICAL CO·Filed 1994·Granted Nov 19, 1996·494 cites·13 claims
- 1988US5906628AUltrasonic treatment instrumentOLYMPUS OPTICAL CO·Filed 1997·Granted May 25, 1999·441 cites·22 claims
- 2086US7455641B2Ultrasonic treatment apparatusOLYMPUS CORP·Filed 2004·Granted Nov 25, 2008·174 cites·7 claims
- 2185US5163433AUltrasound type treatment apparatusOLYMPUS OPTICAL CO·Filed 1991·Granted Nov 17, 1992·342 cites·12 claims
- 2281US5076276AUltrasound type treatment apparatusOLYMPUS OPTICAL CO·Filed 1990·Granted Dec 31, 1991·258 cites·20 claims
- 2379US8574228B2Ultrasound treatment systemOKADA MITSUMASA·Filed 2010·Granted Nov 5, 2013·9 cites·18 claims
- 2479US6569178B1Ultrasonic coagulating/cutting apparatusOLYMPUS OPTICAL CO·Filed 2000·Granted May 27, 2003·103 cites·25 claims
- 2578US6425907B1Ultrasonic medical instrumentOLYMPUS OPTICAL CO·Filed 2000·Granted Jul 30, 2002·86 cites·7 claims
- 2676US6180421B1Method and apparatus for manufacturing magnetic headFUJITSU LTD·Filed 2000·Granted Jan 30, 2001·16 cites·11 claims
- 2771US6778356B2Thin film magnetic head and method of manufacturing the sameFUJITSU LTD·Filed 2002·Granted Aug 17, 2004·8 cites·3 claims
- 2867US5211625AUltrasonic treatment apparatusOLYMPUS OPTICAL CO·Filed 1991·Granted May 18, 1993·130 cites·8 claims
- 2959US5492633AWater treatment process with ozoneFUJI ELECTRIC CO LTD·Filed 1995·Granted Feb 20, 1996·28 cites·18 claims
- 3055US6123780ASpin valve magnetoresistive head and manufacturing method thereforFUJITSU LTD·Filed 1998·Granted Sep 26, 2000·11 cites·10 claims
- 3153US6258283B1Method of making magnetic resistance elementFUJITSU LTD·Filed 1998·Granted Jul 10, 2001·15 cites·7 claims
- 3253US5688235AUltrasonic treatment apparatusOLYMPUS OPTICAL CO·Filed 1996·Granted Nov 18, 1997·51 cites·10 claims
- 3352US5601525AHard-type endoscope apparatusOLYMPUS OPTICAL CO·Filed 1995·Granted Feb 11, 1997·61 cites·10 claims
- 3447US2008194999A1Ultrasonic treatment apparatus and treatment methodYAMAHA NORIHIRO·Filed 2007·Application pending·0 cites
- 3542US2003023257A1Ultrasonic trocarOLYMPUS OPTICAL CO·Filed 2002·Application pending·0 cites
- 3642US2005021065A1Ultrasonic treatment apparatusOLYMPUS CORP·Filed 2004·Application pending·0 cites
- 3741US2013190790A1Ultrasonic probe and ultrasonic treatment deviceOLYMPUS MEDICAL SYSTEMS CORP·Filed 2012·Application pending·0 cites
- 3840US6873498B2Magnetic head and method of manufacturing the sameFUJITSU LTD·Filed 2002·Granted Mar 29, 2005·0 cites·3 claims
- 3940US2003225332A1Ultrasonic therapeutic apparatusOLYMPUS OPTICAL CO·Filed 2003·Application pending·0 cites
- 4035US6475649B2Magnetic headFUJITSU LTD·Filed 2001·Granted Nov 5, 2002·0 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →