Inventor · disambiguated record
Koji Yamaya
Also filed as: YAMAYA KOJI
45 granted patents·15 pending applications·1,898 citations·filing 1986–2024
98Inventor score
Top patents by PatentIndex Score
60 records- 0193US6991602B2Medical treatment method and apparatusOLYMPUS CORP·Filed 2002·Granted Jan 31, 2006·370 cites·33 claims
- 0288US7959559B2Endoscope insertion assisting device, endoscope apparatus, medical treatment device and endoscope insertion methodOLYMPUS MEDICAL SYSTEMS CORP·Filed 2007·Granted Jun 14, 2011·57 cites·7 claims
- 0387US11096558B2Endoscope cover, endoscope, and cover unitOLYMPUS CORP·Filed 2018·Granted Aug 24, 2021·7 cites·15 claims
- 0485US5860913AEndoscope whose distal cover can be freely detachably attached to main distal part thereof with high positioning precisionOLYMPUS OPTICAL CO·Filed 1997·Granted Jan 19, 1999·376 cites·28 claims
- 0583US11272832B2Cover removal jig for endoscope, and endoscope systemOLYMPUS CORP·Filed 2019·Granted Mar 15, 2022·4 cites·22 claims
- 0682US11857162B2EndoscopeOLYMPUS CORP·Filed 2020·Granted Jan 2, 2024·1 cites·20 claims
- 0779US9993145B2Washing instrument for insertion deviceOLYMPUS CORP·Filed 2017·Granted Jun 12, 2018·3 cites·13 claims
- 0878US5191878AEndoscope deviceOLYMPUS OPTICAL CO·Filed 1991·Granted Mar 9, 1993·187 cites·13 claims
- 0977US11330967B2Cover and endoscope systemOLYMPUS CORP·Filed 2019·Granted May 17, 2022·2 cites·17 claims
- 1077US7670285B2Endoscope treatment instrument stopper and treatment instrument stopper sectionOLYMPUS CORP·Filed 2006·Granted Mar 2, 2010·18 cites·5 claims
- 1177US4667655AEndoscope apparatusOLYMPUS OPTICAL CO·Filed 1986·Granted May 26, 1987·134 cites·7 claims
- 1276US11337599B2Washing tool and endoscope systemOLYMPUS CORP·Filed 2019·Granted May 24, 2022·2 cites·4 claims
- 1376US10820785B2Cover removal tool for endoscopeOLYMPUS CORP·Filed 2018·Granted Nov 3, 2020·2 cites·10 claims
- 1476US2025025032A1Endoscope and distal end coverOLYMPUS CORP·Filed 2024·Application pending·0 cites
- 1575US10136798B2Endoscopic systemOLYMPUS CORP·Filed 2017·Granted Nov 27, 2018·2 cites·6 claims
- 1675US9931029B2Washing systemOLYMPUS CORP·Filed 2017·Granted Apr 3, 2018·2 cites·8 claims
- 1772US8147401B2Endoscope insertion support tool and endoscope deviceYAMAYA KOJI·Filed 2006·Granted Apr 3, 2012·11 cites·29 claims
- 1872US7537561B2Endoscope apparatusOLYMPUS CORP·Filed 2003·Granted May 26, 2009·58 cites·8 claims
- 1971US5702347AEndoscope system including endoscope and disposable protection coverOLYMPUS OPTICAL CO·Filed 1996·Granted Dec 30, 1997·150 cites·6 claims
- 2070US11064866B2Endoscope cover, endoscope, cover unit, and endoscope unitOLYMPUS CORP·Filed 2018·Granted Jul 20, 2021·1 cites·12 claims
- 2170US9675234B2Medical apparatusOLYMPUS CORP·Filed 2016·Granted Jun 13, 2017·2 cites·10 claims
- 2269US10159401B2Assist device and endoscopic systemOLYMPUS CORP·Filed 2017·Granted Dec 25, 2018·1 cites·11 claims
- 2369US5876326AElectronic endoscope with grounded spirally-wound lead wiresOLYMPUS OPTICAL CO·Filed 1995·Granted Mar 2, 1999·162 cites·9 claims
- 2468US10004390B2Washing tool for insertion deviceOLYMPUS CORP·Filed 2017·Granted Jun 26, 2018·1 cites·10 claims
- 2568US6824509B2EndoscopeOLYMPUS CORP·Filed 2002·Granted Nov 30, 2004·46 cites·33 claims
- 2665US8246534B2EndoscopeYAMAYA KOJI·Filed 2006·Granted Aug 21, 2012·6 cites·6 claims
- 2762US12490885B2EndoscopeOLYMPUS CORP·Filed 2022·Granted Dec 9, 2025·0 cites·19 claims
- 2862US8031416B2EndoscopeOLYMPUS MEDICAL SYSTEMS CORP·Filed 2008·Granted Oct 4, 2011·2 cites·10 claims
- 2961US2021076924A1Endoscope and distal end coverOLYMPUS CORP·Filed 2020·Application pending·0 cites
- 3060US12279750B2Endoscope having cover covering spool adhesion portion and method for manufacturing endoscopeOLYMPUS CORP·Filed 2021·Granted Apr 22, 2025·0 cites·20 claims
- 3160US7491166B2EndoscopeOLYMPUS CORP·Filed 2004·Granted Feb 17, 2009·21 cites·18 claims
- 3259US4936307AUltrasonic observation system and an ultrasonic endoscope systemOLYMPUS OPTICAL CO·Filed 1988·Granted Jun 26, 1990·54 cites·28 claims
- 3359US2023210355A1Endoscope conduit cleaning tool and endoscope systemOLYMPUS CORP·Filed 2023·Application pending·0 cites
- 3455US2022151468A1Distal end cover for endoscope and endoscope apparatusOLYMPUS CORP·Filed 2022·Application pending·0 cites
- 3554US12064094B2Endoscope cleaning instrumentOLYMPUS CORP·Filed 2020·Granted Aug 20, 2024·0 cites·12 claims
- 3654US12023008B2Endoscope attachment and endoscope systemOLYMPUS CORP·Filed 2021·Granted Jul 2, 2024·0 cites·13 claims
- 3754US4924852AEndoscopeOLYMPUS OPTICAL CO·Filed 1988·Granted May 15, 1990·43 cites·18 claims
- 3852US11963662B2Channel unit for endoscope and endoscopeOLYMPUS CORP·Filed 2021·Granted Apr 23, 2024·0 cites·18 claims
- 3952US6110104AEndoscope system having an endoscope capable of being guided into an endoscope coverOLYMPUS OPTICAL CO·Filed 1998·Granted Aug 29, 2000·53 cites·12 claims
- 4052US2010069712A1Mother-baby endoscopeOLYMPUS MEDICAL SYSTEMS CORP·Filed 2009·Application pending·0 cites
- 4151US11324391B2Distal-end cover for endoscope, and endoscopeOLYMPUS CORP·Filed 2019·Granted May 10, 2022·0 cites·20 claims
- 4250US11376090B2Endoscope, and endoscope systemOLYMPUS CORP·Filed 2018·Granted Jul 5, 2022·0 cites·16 claims
- 4350US11298002B2Endoscope cover and endoscopeOLYMPUS CORP·Filed 2019·Granted Apr 12, 2022·0 cites·23 claims
- 4450US10905312B2Endoscope systemOLYMPUS CORP·Filed 2018·Granted Feb 2, 2021·0 cites·8 claims
- 4550US5863286AEndoscope system including endoscope and disposable protection coverOLYMPUS OPTICAL CO·Filed 1993·Granted Jan 26, 1999·43 cites·5 claims
- 4650US2021068628A1Distal end cover device and endoscopeOLYMPUS CORP·Filed 2020·Application pending·0 cites
- 4748US10973395B2Endoscope cover, endoscope, cover unit, and endoscope unitOLYMPUS CORP·Filed 2018·Granted Apr 13, 2021·0 cites·14 claims
- 4848US5879288AEndoscope system including both reusable-type and cover-type endoscopesOLYMPUS OPTICAL CO·Filed 1996·Granted Mar 9, 1999·45 cites·5 claims
- 4948US2021059507A1Insertion apparatus and distal end cover of insertion apparatusOLYMPUS CORP·Filed 2020·Application pending·0 cites
- 5048US2019298156A1EndoscopeOLYMPUS CORP·Filed 2019·Application pending·0 cites
Showing the top 50 of 60 patent records by PatentIndex Score.
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