Inventor · disambiguated record
Nobutoshi Otsuka
Also filed as: OTSUKA NOBUTOSHI
15 granted patents·2 pending applications·187 citations·filing 1999–2020
93Inventor score
Top patents by PatentIndex Score
17 records- 0198US11148433B2Liquid ejecting apparatusSEIKO EPSON CORP·Filed 2020·Granted Oct 19, 2021·6 cites·8 claims
- 0295US9242475B2Liquid ejecting apparatusSEIKO EPSON CORP·Filed 2015·Granted Jan 26, 2016·9 cites·8 claims
- 0385US6776467B2Method of controlling ink jet recording apparatusSEIKO EPSON CORP·Filed 2002·Granted Aug 17, 2004·28 cites·12 claims
- 0483US6682171B2Ink jet head unit and ink jet printing apparatus incorporating the sameSEIKO EPSON CORP·Filed 2002·Granted Jan 27, 2004·25 cites·10 claims
- 0578US7883175B2Liquid ejecting apparatusSEIKO EPSON CORP·Filed 2008·Granted Feb 8, 2011·5 cites·9 claims
- 0675USD551289SInk bagSEIKO EPSON CORP·Filed 2006·Granted Sep 18, 2007·18 cites·1 claims
- 0773US7188956B2Optical device and rear projectorSEIKO EPSON CORP·Filed 2004·Granted Mar 13, 2007·12 cites·20 claims
- 0870USD570405SInk bagSEIKO EPSON CORP·Filed 2005·Granted Jun 3, 2008·15 cites·1 claims
- 0970US6607317B2Printing apparatusSEIKO EPSON CORP·Filed 2002·Granted Aug 19, 2003·16 cites·16 claims
- 1068US9004658B2Liquid storing containerSEIKO EPSON CORP·Filed 2014·Granted Apr 14, 2015·1 cites·9 claims
- 1153US6318834B1Ink jet recording apparatus and method of controlling the same based on cartridge absence time periodSEIKO EPSON CORP·Filed 1999·Granted Nov 20, 2001·14 cites·6 claims
- 1251US6361142B1Waste ink reservoir for ink jet printer and ink jet printer incorporating the sameSEIKO EPSON CORP·Filed 1999·Granted Mar 26, 2002·15 cites·2 claims
- 1351US6356710B1DC motor control system and methodSEIKO EPSON CORP·Filed 1999·Granted Mar 12, 2002·14 cites·14 claims
- 1445US6283577B1Ink jet recording apparatus and method of flushing a recording head of the sameSEIKO EPSON CORP·Filed 1999·Granted Sep 4, 2001·9 cites·4 claims
- 1542US7407244B2Printing method and printing apparatusDAINIPPON SCREEN MFG·Filed 2006·Granted Aug 5, 2008·0 cites·18 claims
- 1636US2011090274A1Liquid ejecting apparatus and control method of liquid ejecting apparatusSEIKO EPSON CORP·Filed 2010·Application pending·0 cites
- 1732US2001055054A1Card printing apparatusFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →