Inventor · disambiguated record
Katsunari Kumagai
Also filed as: KUMAGAI KATSUNARI
10 granted patents·2 pending applications·18 citations·filing 1998–2023
80Inventor score
Technology areasB41J
Files withSEIKO EPSON CORP12
Top patents by PatentIndex Score
12 records- 0175US8820869B2Recording deviceSEIKO EPSON CORP·Filed 2013·Granted Sep 2, 2014·2 cites·6 claims
- 0272US12384181B2Liquid discharge apparatusSEIKO EPSON CORP·Filed 2023·Granted Aug 12, 2025·0 cites·13 claims
- 0371US11845289B2Recording apparatusSEIKO EPSON CORP·Filed 2021·Granted Dec 19, 2023·0 cites·11 claims
- 0471US11654704B2Recording apparatusSEIKO EPSON CORP·Filed 2021·Granted May 23, 2023·0 cites·10 claims
- 0566US11167575B2Recording apparatusSEIKO EPSON CORP·Filed 2020·Granted Nov 9, 2021·0 cites·11 claims
- 0664US11161349B2Recording apparatusSEIKO EPSON CORP·Filed 2020·Granted Nov 2, 2021·0 cites·18 claims
- 0757US6276848B1Thermal printer having integrally formed paper guide and frameSEIKO EPSON CORP·Filed 1998·Granted Aug 21, 2001·16 cites·15 claims
- 0853US10093118B2Recording apparatusSEIKO EPSON CORP·Filed 2017·Granted Oct 9, 2018·0 cites·13 claims
- 0951US10252536B2Recording apparatusSEIKO EPSON CORP·Filed 2017·Granted Apr 9, 2019·0 cites·10 claims
- 1045US8820870B2Recording apparatusSEIKO EPSON CORP·Filed 2013·Granted Sep 2, 2014·0 cites·6 claims
- 1143US2009278888A1Liquid ejection apparatusSEIKO EPSON CORP·Filed 2009·Application pending·0 cites
- 1239US2018099505A1Liquid container and a liquid ejection apparatusSEIKO EPSON CORP·Filed 2017·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Katsunari Kumagai files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →