Inventor · disambiguated record
Ryoji Uesugi
Also filed as: UESUGI RYOJI
19 granted patents·4 pending applications·101 citations·filing 2002–2012
94Inventor score
Top patents by PatentIndex Score
23 records- 0183US7219983B2Fine forging method, manufacturing method of liquid ejection head, and liquid ejection headSEIKO EPSON CORP·Filed 2005·Granted May 22, 2007·6 cites·19 claims
- 0281US8596779B2Transport apparatus and recording apparatusTODORIKI AKIO·Filed 2011·Granted Dec 3, 2013·5 cites·13 claims
- 0378US7575305B2Liquid ejection head having improved ejection performanceSEIKO EPSON CORP·Filed 2007·Granted Aug 18, 2009·4 cites·19 claims
- 0476US7194886B2Method for forging plate and method for manufacturing a liquid ejection headSEIKO EPSON CORP·Filed 2005·Granted Mar 27, 2007·4 cites·4 claims
- 0572US7100415B2Method and apparatus for manufacturing a liquid ejection headSEIKO EPSON CORP·Filed 2004·Granted Sep 5, 2006·14 cites·20 claims
- 0672US6968723B2Method of punching small hole and method of manufacturing liquid ejection head using the sameSEIKO EPSON CORP·Filed 2003·Granted Nov 29, 2005·9 cites·32 claims
- 0771US7246888B2Liquid jetting head and method of manufacturing the sameSEIKO EPSON CORP·Filed 2002·Granted Jul 24, 2007·10 cites·13 claims
- 0869US7165433B2Method of manufacturing a chamber plate for a liquid ejection headSEIKO EPSON CORP·Filed 2003·Granted Jan 23, 2007·12 cites·10 claims
- 0963US7021749B2Liquid ejection head, and method of manufacturing the sameSEIKO EPSON CORP·Filed 2003·Granted Apr 4, 2006·9 cites·15 claims
- 1062US7040134B2Punch for forging a liquid ejection headSEIKO EPSON CORP·Filed 2003·Granted May 9, 2006·7 cites·12 claims
- 1161US8220920B2Transport roller, transport device and printing apparatusSAITO KOICHI·Filed 2010·Granted Jul 17, 2012·1 cites·13 claims
- 1260US7905431B2Forging punch, method of manufacturing liquid ejection head using the same, and liquid ejection head manufactured by the methodSEIKO EPSON CORP·Filed 2006·Granted Mar 15, 2011·2 cites·18 claims
- 1355US2012105547A1Liquid jetting head and method of manufacturing sameAKAHANE FUJIO·Filed 2012·Application pending·0 cites
- 1452US6997027B2Forging punchSEIKO EPSON CORP·Filed 2003·Granted Feb 14, 2006·4 cites·23 claims
- 1550US7249484B2Method for manufacturing a liquid ejection headSEIKO EPSON CORP·Filed 2004·Granted Jul 31, 2007·4 cites·8 claims
- 1650US7052119B2Liquid ejection head, and method of manufacturing the sameSEIKO EPSON CORP·Filed 2003·Granted May 30, 2006·4 cites·22 claims
- 1749US2007247489A1Liquid jetting head and method of manufacturing the sameSEIKO EPSON·Filed 2007·Application pending·0 cites
- 1844US7363795B2Guided punching apparatusSEIKO EPSON CORP·Filed 2003·Granted Apr 29, 2008·2 cites·31 claims
- 1944US7127929B2Forging work methodSEIKO EPSON CORP·Filed 2003·Granted Oct 31, 2006·2 cites·19 claims
- 2043US7254976B2Method of manufacturing liquid ejection headSEIKO EPSON CORP·Filed 2004·Granted Aug 14, 2007·2 cites·9 claims
- 2143US2006236536A1Die apparatus, method for producing perforated work plate, perforated work plate, liquid-jet head and liquid-jet apparatusSEIKO EPSON CORP·Filed 2006·Application pending·0 cites
- 2242US7814640B2Manufacturing method of die for manufacturing liquid ejecting head, and material block used in the sameSEIKO EPSON CORP·Filed 2005·Granted Oct 19, 2010·0 cites·1 claims
- 2342US2011135370A1Print device, transport unit, transport roller and method of producing the transport rollerSEIKO EPSON CORP·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →