Inventor · disambiguated record
Koichiro Yokoyama
Also filed as: YOKOYAMA KOICHIRO
24 granted patents·5 pending applications·285 citations·filing 1990–2024
96Inventor score
Top patents by PatentIndex Score
29 records- 0197US6964466B1Ink-jet recording apparatus and recording method thereofSEIKO EPSON CORP·Filed 2000·Granted Nov 15, 2005·55 cites·32 claims
- 0294US7669999B2Ink-jet recording apparatus and recording method thereforSEIKO EPSON CORP·Filed 2008·Granted Mar 2, 2010·10 cites·10 claims
- 0394US7377633B2Ink-jet recording apparatus and recording method thereforSEIKO EPSON CORP·Filed 2005·Granted May 27, 2008·10 cites·38 claims
- 0493US6053493ASheet feeder cassetteSEIKO EPSON CORP·Filed 1998·Granted Apr 25, 2000·57 cites·23 claims
- 0592US7401916B2Ink-jet recording apparatus and recording method thereforSEIKO EPSON CORP·Filed 2005·Granted Jul 22, 2008·8 cites·4 claims
- 0691US7854503B2Ink-jet recording apparatus and recording method thereforSEIKO EPSON CORP·Filed 2007·Granted Dec 21, 2010·6 cites·9 claims
- 0790US7901066B2Ink-jet recording apparatus and recording method thereforSEIKO EPSON CORP·Filed 2007·Granted Mar 8, 2011·6 cites·7 claims
- 0885US7296886B2Ink-jet recording apparatus and recording method thereforSEIKO EPSON CORP·Filed 2004·Granted Nov 20, 2007·13 cites·30 claims
- 0984US7077499B2Ink-jet recording apparatus and recording method thereforSEIKO EPSON CORP·Filed 2003·Granted Jul 18, 2006·12 cites·2 claims
- 1072US6116590APaper size discriminating apparatusSEIKO EPSON CORP·Filed 1998·Granted Sep 12, 2000·21 cites·4 claims
- 1170US2025177994A1Shredder and method for controlling shredderSEIKO EPSON CORP·Filed 2024·Application pending·0 cites
- 1268US7947219B2Process for manufacturing composite sintered machine componentsHITACHI POWDERED METALS·Filed 2007·Granted May 24, 2011·2 cites·4 claims
- 1367US5738348ASheet feederSEIKO EPSON CORP·Filed 1995·Granted Apr 14, 1998·18 cites·22 claims
- 1467US2025182067A1Method of managing waste paper recycling information and waste paper recycling systemSEIKO EPSON CORP·Filed 2024·Application pending·0 cites
- 1567US2025182002A1Method of managing carbon dioxide emission amountSEIKO EPSON CORP·Filed 2024·Application pending·0 cites
- 1666US5785441AInk jet printer having paper supports and guidesSEIKO EPSON CORP·Filed 1996·Granted Jul 28, 1998·13 cites·20 claims
- 1761US8109628B2Ink-jet recording apparatus and recording method thereforKODAMA HIDETOSHI·Filed 2010·Granted Feb 7, 2012·0 cites·2 claims
- 1860US5199806AApparatus for feeding individual sheets of paper as well as continuous fan fold paper utilizing a platenSEIKO EPSON CORP·Filed 1990·Granted Apr 6, 1993·16 cites·11 claims
- 1956US8267512B2Ink-jet recording apparatus and recording method thereforYOKOYAMA KOICHIRO·Filed 2011·Granted Sep 18, 2012·0 cites·5 claims
- 2055US2008018704A1Ink-Jet Recording Apparatus and Recording Method ThereforSEIKO EPSON CORP·Filed 2007·Application pending·0 cites
- 2154US6367994B2Power transmission switching device, rocking lever locking device in power transmission switching device and power transmission switching device-applied recording apparatusSEIKO EPSON CORP·Filed 2000·Granted Apr 9, 2002·7 cites·26 claims
- 2254US5921691AInk jet printerSEIKO EPSON CORP·Filed 1997·Granted Jul 13, 1999·8 cites·15 claims
- 2353US5221150APaper feeding apparatus for printers having a bail roller meansSEIKO EPSON CORP·Filed 1992·Granted Jun 22, 1993·11 cites·39 claims
- 2450US6850028B2Motor driver and recording apparatus incorporating the sameSEIKO EPSON CORP·Filed 2003·Granted Feb 1, 2005·6 cites·6 claims
- 2546US8337747B2Process for manufacturing composite sintered machine componentsIMAZATO HIROMASA·Filed 2011·Granted Dec 25, 2012·0 cites·2 claims
- 2638US6206500B1Printer having a guide plate for transporting waste inkSEIKO EPSON CORP·Filed 1998·Granted Mar 27, 2001·5 cites·2 claims
- 2736US10728165B2Buffer control apparatus, communication node, and relay apparatusDENSO CORP·Filed 2016·Granted Jul 28, 2020·0 cites·6 claims
- 2832US5915863AInk jet printerSEIKO EPSON CORP·Filed 1997·Granted Jun 29, 1999·1 cites·10 claims
- 2932US2004257421A1Liquid ejecting apparatusSEIKO EPSON CORP·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →