Inventor · disambiguated record
Hiroshi Hamakawa
Also filed as: HAMAKAWA HIROSHI
9 granted patents·4 pending applications·20 citations·filing 2003–2012
84Inventor score
Top patents by PatentIndex Score
13 records- 0169US6918708B2Discharging roller, method of manufacturing the same, and recording apparatus incorporating the sameSEIKO EPSON CORP·Filed 2004·Granted Jul 19, 2005·7 cites·5 claims
- 0267US7681969B2Liquid ejection apparatusSEIKO EPSON CORP·Filed 2008·Granted Mar 23, 2010·2 cites·6 claims
- 0365US7381174B2Discharging roller, method of manufacturing the same, and recording apparatus incorporating the sameSEIKO EPSON CORP·Filed 2005·Granted Jun 3, 2008·2 cites·14 claims
- 0464US8657436B2Media conveyance device, printing device, and media conveyance methodNOGUCHI AKIHIKO·Filed 2012·Granted Feb 25, 2014·2 cites·12 claims
- 0562US7971990B2Transported medium transporting apparatus and recording apparatusSEIKO EPSON CORP·Filed 2007·Granted Jul 5, 2011·4 cites·4 claims
- 0651US6871948B2Discharging roller, method of manufacturing the same, and recording apparatus incorporating the sameSEIKO EPSON CORP·Filed 2003·Granted Mar 29, 2005·2 cites·4 claims
- 0747US6905270B2Discharging roller, method of manufacturing the same, and recording apparatus incorporating the sameSEIKO EPSON CORP·Filed 2004·Granted Jun 14, 2005·1 cites·6 claims
- 0839US2007070113A1Recording apparatus and liquid ejecting apparatusSEIKO EPSON CORP·Filed 2006·Application pending·0 cites
- 0938US7481527B2Liquid ejection apparatusSEIKO EPSON CORP·Filed 2005·Granted Jan 27, 2009·0 cites·9 claims
- 1037US2006050127A1Recording apparatusSEIKO EPSON CORP·Filed 2005·Application pending·0 cites
- 1136US2013063515A1Inkjet line printerNAKATSU MASASHI·Filed 2012·Application pending·0 cites
- 1235US9315053B2Media conveyance device and printing deviceHAMAKAWA HIROSHI·Filed 2012·Granted Apr 19, 2016·0 cites·16 claims
- 1332US2004257421A1Liquid ejecting apparatusSEIKO EPSON CORP·Filed 2004·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Hiroshi Hamakawa 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 →