Inventor · disambiguated record
Ryoichi Tanaka
Also filed as: ADACHI TADAO · TANAKA RYOICHI
91 granted patents·15 pending applications·1,002 citations·filing 1977–2025
99Inventor score
Top patents by PatentIndex Score
106 records- 0199US11298952B2Printing systemSEIKO EPSON CORP·Filed 2020·Granted Apr 12, 2022·10 cites·12 claims
- 0299US10889123B2Ink refill container, ink refill system, and ink refill adapterSEIKO EPSON CORP·Filed 2020·Granted Jan 12, 2021·7 cites·23 claims
- 0399US10471723B2Ink replenish containerSEIKO EPSON CORP·Filed 2017·Granted Nov 12, 2019·17 cites·4 claims
- 0499US10350901B2Ink bottleSEIKO EPSON CORP·Filed 2017·Granted Jul 16, 2019·33 cites·14 claims
- 0598US11192380B2Ink bottle and bottle setSEIKO EPSON CORP·Filed 2019·Granted Dec 7, 2021·17 cites·18 claims
- 0698US11179944B2Ink refill container, ink refill system, and ink refill adapterSEIKO EPSON CORP·Filed 2020·Granted Nov 23, 2021·3 cites·22 claims
- 0797US10618292B2Printer and ink bottleSEIKO EPSON CORP·Filed 2018·Granted Apr 14, 2020·10 cites·2 claims
- 0896US11117379B2Ink replenish containerSEIKO EPSON CORP·Filed 2019·Granted Sep 14, 2021·5 cites·3 claims
- 0996US10717287B2Ink refill container, ink refill system, and ink refill adapterSEIKO EPSON CORP·Filed 2017·Granted Jul 21, 2020·6 cites·20 claims
- 1094US6354686B1Ink jet recording apparatusSEIKO EPSON CORP·Filed 2000·Granted Mar 12, 2002·58 cites·10 claims
- 1191US8434846B2Liquid ejecting apparatus and liquid ejecting methodTANAKA RYOICHI·Filed 2010·Granted May 7, 2013·7 cites·7 claims
- 1290US12296600B2Ink refill container, ink refill system, and ink refill adapterSEIKO EPSON CORP·Filed 2024·Granted May 13, 2025·0 cites·40 claims
- 1390US8662635B2Fluid ejection device, flushing method, and flushing programYUDA TOMOHIRO·Filed 2012·Granted Mar 4, 2014·10 cites·11 claims
- 1488US8727401B2Inside door handle deviceTANAKA RYOICHI·Filed 2010·Granted May 20, 2014·16 cites·1 claims
- 1586US11938739B2Ink refill container, ink refill system, and ink refill adapterSEIKO EPSON CORP·Filed 2023·Granted Mar 26, 2024·0 cites·16 claims
- 1686US6386672B1Ink jet type recording headSEIKO EPSON CORP·Filed 1999·Granted May 14, 2002·53 cites·69 claims
- 1786US2025236113A1Ink refill container, ink refill system, and ink refill adapterSEIKO EPSON CORP·Filed 2025·Application pending·0 cites
- 1885US11932022B2Ink bottle and bottle setSEIKO EPSON CORP·Filed 2023·Granted Mar 19, 2024·0 cites·15 claims
- 1985US6478395B2Liquid jetting apparatusSEIKO EPSON CORP·Filed 2000·Granted Nov 12, 2002·27 cites·28 claims
- 2084US9186883B2Liquid containerSEIKO EPSON CORP·Filed 2014·Granted Nov 17, 2015·3 cites·9 claims
- 2184US8562094B2Liquid ejecting apparatus and control method of liquid ejecting apparatusOZAWA KINYA·Filed 2011·Granted Oct 22, 2013·4 cites·17 claims
- 2283US5687764AFour-port valveNIPPON FURNACE KOGYO KK·Filed 1995·Granted Nov 18, 1997·51 cites·4 claims
- 2381US10538093B2Bottle set and bottleSEIKO EPSON CORP·Filed 2017·Granted Jan 21, 2020·2 cites·3 claims
- 2481US5515909AFlow switching apparatus, regenerative alternate combustion burner system using the apparatus, and regenerative heat exchanger system using the apparatusNIPPON FURNACE KOGYO KK·Filed 1993·Granted May 14, 1996·41 cites·8 claims
- 2581US5403181AMethod of low-NOx combustion and burner device for effecting sameNIPPON FURNACE KOGYO KK·Filed 1993·Granted Apr 4, 1995·38 cites·7 claims
- 2680US11639060B2Ink refill container, ink refill system, and ink refill adapterSEIKO EPSON CORP·Filed 2021·Granted May 2, 2023·0 cites·20 claims
- 2780US11597207B2Ink bottle and bottle setSEIKO EPSON CORP·Filed 2021·Granted Mar 7, 2023·0 cites·8 claims
- 2879US11001068B2Ink replenish containerSEIKO EPSON CORP·Filed 2017·Granted May 11, 2021·1 cites·3 claims
- 2979US5441403AMethod of low-NOx combustion and burner device for effecting sameNIPPON FURNACE KOGYO KK·Filed 1995·Granted Aug 15, 1995·38 cites·13 claims
- 3079US4415050ADrive pump arrangement for working vehicleKUBOTA LTD·Filed 1981·Granted Nov 15, 1983·39 cites·3 claims
- 3178US12138935B2Bottle set and bottleSEIKO EPSON CORP·Filed 2023·Granted Nov 12, 2024·0 cites·7 claims
- 3276USD988398SInk replenish containerSEIKO EPSON CORP·Filed 2020·Granted Jun 6, 2023·0 cites·1 claims
- 3376US8172351B2Printing apparatus and printing methodKAIEDA TERUAKI·Filed 2009·Granted May 8, 2012·5 cites·16 claims
- 3475US6027333ARadiant tube burnerNIPPON KOKAN KK·Filed 1995·Granted Feb 22, 2000·53 cites·20 claims
- 3574US11691428B2Bottle set and bottleSEIKO EPSON CORP·Filed 2019·Granted Jul 4, 2023·0 cites·10 claims
- 3674US6467885B2Ink jet record headSEIKO EPSON CORP·Filed 2001·Granted Oct 22, 2002·15 cites·16 claims
- 3774US5628629AIndustrial furnace and a burner for conducting regenerative combustion and a combustion method thereforTOYOTA MOTOR CO LTD·Filed 1995·Granted May 13, 1997·34 cites·80 claims
- 3873US9307805B2Bicycle cleat positioning kitSHIMANO KK·Filed 2013·Granted Apr 12, 2016·3 cites·21 claims
- 3971US7771012B2Liquid ejecting head and liquid ejecting apparatusSEIKO EPSON CORP·Filed 2008·Granted Aug 10, 2010·3 cites·10 claims
- 4071US5846067ALow-NOx burnerTOYOTA MOTOR CO LTD·Filed 1995·Granted Dec 8, 1998·31 cites·15 claims
- 4170US6742859B2Liquid jetting apparatusSEIKO EPSON CORP·Filed 2002·Granted Jun 1, 2004·10 cites·9 claims
- 4269US5791299ASmall once-through boilerNIPPON FURNACE KOGYO KK·Filed 1997·Granted Aug 11, 1998·28 cites·19 claims
- 4368US5848885ARegenerative burner and regenerative heat exchange system applicable theretoNIPPON FURNACE KOGYO KK·Filed 1994·Granted Dec 15, 1998·26 cites·27 claims
- 4467US10857802B2Liquid containerSEIKO EPSON CORP·Filed 2019·Granted Dec 8, 2020·0 cites·9 claims
- 4566US9222290B2Inside-door-handle device for vehicleTANAKA RYOICHI·Filed 2011·Granted Dec 29, 2015·4 cites·9 claims
- 4666US9199457B2Ink jet recording apparatus and recorded articleSEIKO EPSON CORP·Filed 2014·Granted Dec 1, 2015·0 cites·19 claims
- 4766US6161912AMethod of maintaining and controlling the helmholtz resonant frequency in an ink jet print headSEIKO EPSON CORP·Filed 1997·Granted Dec 19, 2000·23 cites·75 claims
- 4865US8814299B2Fluid discharge device, nozzle inspection method, and medium on which nozzle inspection program is recordedTANAKA RYOICHI·Filed 2012·Granted Aug 26, 2014·1 cites·7 claims
- 4965US6332671B1Ink jet recording head and method of manufacturing the sameSEIKO EPSON CORP·Filed 1999·Granted Dec 25, 2001·21 cites·21 claims
- 5064US7959267B2Liquid ejection apparatusSEIKO EPSON CORP·Filed 2007·Granted Jun 14, 2011·2 cites·12 claims
Showing the top 50 of 106 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →