Inventor · disambiguated record
Masahiro Koiwai
Also filed as: KOIWAI MASAHIRO
5 granted patents·1 pending application·38 citations·filing 1990–2020
75Inventor score
Files withSEIKO EPSON CORP6
Top patents by PatentIndex Score
6 records- 0171US5083170AElectrophotographic recording apparatusSEIKO EPSON CORP·Filed 1990·Granted Jan 21, 1992·21 cites·5 claims
- 0244US10009498B2Printing apparatus and method for controlling printing apparatusSEIKO EPSON CORP·Filed 2016·Granted Jun 26, 2018·0 cites·7 claims
- 0343US11383513B2Liquid discharging apparatus, head control unit, and head unitSEIKO EPSON CORP·Filed 2020·Granted Jul 12, 2022·0 cites·7 claims
- 0443US5086309AImage forming apparatusSEIKO EPSON CORP·Filed 1990·Granted Feb 4, 1992·10 cites·40 claims
- 0541US2007263250A1Electronic control device, control method therefor, and program thereforSEIKO EPSON CORP·Filed 2007·Application pending·0 cites
- 0640US5255986APicture image forming apparatus with mechanism controllerSEIKO EPSON CORP·Filed 1991·Granted Oct 26, 1993·7 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →