Inventor · disambiguated record
Ken Yamagishi
Also filed as: YAMAGISHI KEN
26 granted patents·7 pending applications·220 citations·filing 1988–2025
95Inventor score
Top patents by PatentIndex Score
33 records- 0194US4970557AElectrophotographic apparatus controlling image quality according to condition of deteriorationSHARP KK·Filed 1988·Granted Nov 13, 1990·48 cites·10 claims
- 0293US5983055APhotosensitive element for electrophotographySHARP KK·Filed 1997·Granted Nov 9, 1999·80 cites·55 claims
- 0392US10611167B2Flexible membrane mechanism, flow path member, and liquid ejecting apparatusSEIKO EPSON CORP·Filed 2018·Granted Apr 7, 2020·4 cites·18 claims
- 0487US10703109B2Liquid discharge apparatus and filter unitSEIKO EPSON CORP·Filed 2019·Granted Jul 7, 2020·2 cites·20 claims
- 0582US11142008B2Liquid ejecting unit and liquid ejecting apparatusSEIKO EPSON CORP·Filed 2020·Granted Oct 12, 2021·1 cites·19 claims
- 0680US9061510B2Liquid ejecting apparatusSEIKO EPSON CORP·Filed 2014·Granted Jun 23, 2015·2 cites·11 claims
- 0776US5767039AProcess for manufacturing methanol and process for manufacturing catalyst for methanol synthesisMITSUBISHI GAS CHEMICAL CO·Filed 1996·Granted Jun 16, 1998·34 cites·17 claims
- 0875US10967647B2Filter unit, liquid discharging head, and liquid discharging apparatusSEIKO EPSON CORP·Filed 2019·Granted Apr 6, 2021·1 cites·15 claims
- 0975US9682547B2Liquid ejecting apparatus and method of controlling liquid ejecting apparatusSEIKO EPSON CORP·Filed 2015·Granted Jun 20, 2017·1 cites·20 claims
- 1074US6353716B1Image forming apparatus having humidity detection and toner concentration adjusting according to detected humiditySHARP KK·Filed 2000·Granted Mar 5, 2002·17 cites·14 claims
- 1172US12162284B2Liquid ejecting apparatus and liquid ejecting headSEIKO EPSON CORP·Filed 2022·Granted Dec 10, 2024·0 cites·15 claims
- 1271US2025262879A1Liquid ejecting head and liquid ejecting apparatusSEIKO EPSON CORP·Filed 2025·Application pending·0 cites
- 1370US11718095B2Flow channel member, liquid ejecting head, liquid ejecting apparatus, and method for manufacturing liquid ejecting apparatusSEIKO EPSON CORP·Filed 2021·Granted Aug 8, 2023·0 cites·17 claims
- 1463US10220624B2Liquid ejecting apparatus and method of controlling liquid ejecting apparatusSEIKO EPSON CORP·Filed 2017·Granted Mar 5, 2019·0 cites·6 claims
- 1563US6516162B2Image forming apparatus with automatic density compensationSHARP KK·Filed 2001·Granted Feb 4, 2003·9 cites·10 claims
- 1660US2025001759A1Liquid ejecting apparatus and liquid ejecting headSEIKO EPSON CORP·Filed 2024·Application pending·0 cites
- 1759US11225082B2Channel structure, liquid ejecting unit, and liquid ejecting apparatusSEIKO EPSON CORP·Filed 2019·Granted Jan 18, 2022·0 cites·19 claims
- 1858US9254675B2Filter unit and liquid ejecting apparatusSEIKO EPSON CORP·Filed 2015·Granted Feb 9, 2016·0 cites·13 claims
- 1957US10906314B2Liquid ejecting apparatus, and method of controlling liquid ejecting apparatusSEIKO EPSON CORP·Filed 2019·Granted Feb 2, 2021·0 cites·12 claims
- 2057US10870283B2Flow path members, liquid ejecting heads, and liquid ejecting apparatusesSEIKO EPSON CORP·Filed 2019·Granted Dec 22, 2020·0 cites·17 claims
- 2156US9707782B2Liquid ejecting apparatusSEIKO EPSON CORP·Filed 2016·Granted Jul 18, 2017·0 cites·20 claims
- 2252US5068480AProcess for producing 2,6-dimethylnaphthaleneMITSUBISHI GAS CHEMICAL CO·Filed 1990·Granted Nov 26, 1991·5 cites·9 claims
- 2350US4916104ACatalyst composition for decomposition of methanolMITSUBISHI GAS CHEMICAL CO·Filed 1989·Granted Apr 10, 1990·8 cites·11 claims
- 2449US5254769AMethod of isomerization of dimethylnaphthalenesMITSUBISHI GAS CHEMICAL CO·Filed 1992·Granted Oct 19, 1993·4 cites·17 claims
- 2549US2024227390A1Drive Method Of Liquid Discharge ApparatusSEIKO EPSON CORP·Filed 2024·Application pending·0 cites
- 2649US2024227389A1Drive Method of Liquid Discharge ApparatusSEIKO EPSON CORP·Filed 2024·Application pending·0 cites
- 2748US9630418B2Liquid holding containerSEIKO EPSON CORP·Filed 2014·Granted Apr 25, 2017·0 cites·11 claims
- 2842US11225071B2Liquid discharge unit and liquid discharge apparatusSEIKO EPSON CORP·Filed 2020·Granted Jan 18, 2022·0 cites·20 claims
- 2942US10336079B2Liquid ejecting apparatus and tube pumpSEIKO EPSON CORP·Filed 2017·Granted Jul 2, 2019·0 cites·7 claims
- 3041US2018292017A1Flexible membrane mechanism, flow path member, liquid ejecting apparatus, and control method of flexible membraneSEIKO EPSON CORP·Filed 2018·Application pending·0 cites
- 3138US4962408ADevice for removing defective developer agent from a developing unit of an image formation apparatusSHARP KK·Filed 1988·Granted Oct 9, 1990·4 cites·4 claims
- 3238US2017217197A1Flow-path structure and liquid ejecting headSEIKO EPSON CORP·Filed 2017·Application pending·0 cites
- 3334US2017217199A1Flow path structure, liquid ejecting unit, and liquid ejecting apparatusSEIKO EPSON CORP·Filed 2017·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →