Inventor · disambiguated record
Hiroko Hayashi
Also filed as: HAYASHI HIROKO
41 granted patents·4 pending applications·1,019 citations·filing 1993–2020
98Inventor score
Top patents by PatentIndex Score
45 records- 0198US6767090B2Ink set for ink-jet recordingSEIKO EPSON CORP·Filed 2001·Granted Jul 27, 2004·80 cites·29 claims
- 0296US5324349AInk compositions for ink jet printingSEIKO EPSON CORP·Filed 1993·Granted Jun 28, 1994·133 cites·15 claims
- 0395US6500248B1Ink composition for ink-jet recording and method of ink-jet recordingSEIKO EPSON CORP·Filed 1999·Granted Dec 31, 2002·87 cites·25 claims
- 0494US7307109B2Ink-jet recording ink, ink-jet recording ink set, recording method, print, and ink-jet recording apparatusSEIKO EPSON CORP·Filed 2001·Granted Dec 11, 2007·36 cites·29 claims
- 0594US6802893B1Ink for ink-jet recording and process for producing the same, ink set for ink-jet recording, and ink cartridgeSEIKO EPSON CORP·Filed 2000·Granted Oct 12, 2004·53 cites·47 claims
- 0693US8556400B2Inkjet recording inkYATAKE MASAHIRO·Filed 2005·Granted Oct 15, 2013·40 cites·30 claims
- 0793US6852154B2Ink setSEIKO EPSON CORP·Filed 2003·Granted Feb 8, 2005·43 cites·25 claims
- 0893US6488753B1Aqueous pigment dispersion water-base ink composition and recording method using the ink compositionSEIKO EPSON CORP·Filed 2000·Granted Dec 3, 2002·57 cites·18 claims
- 0992US5503664AInk compositions for ink jet printingSEIKO EPSON CORP·Filed 1994·Granted Apr 2, 1996·81 cites·27 claims
- 1088US5769930AInk composition for ink jet recording and recording process using sameSEIKO EPSON CORP·Filed 1996·Granted Jun 23, 1998·54 cites·18 claims
- 1186US10676626B2Ink jet textile printing ink composition and ink receiving containerSEIKO EPSON CORP·Filed 2017·Granted Jun 9, 2020·1 cites·14 claims
- 1286US6234601B1Ink jet recording method and apparatus for forming an image on either plain paper or a specialty recording mediumSEIKO EPSON CORP·Filed 1998·Granted May 22, 2001·44 cites·20 claims
- 1385US7083669B2Ink composition, inkjet recording method using the same and recorded matterSEIKO EPSON CORP·Filed 2003·Granted Aug 1, 2006·21 cites·26 claims
- 1484US7303616B2Ink composition, ink jet recording method and recorded articleSEIKO EPSON CORP·Filed 2004·Granted Dec 4, 2007·20 cites·21 claims
- 1583US9725608B2Ink jet recording ink, ink jet recording ink set, recording method, recorded matter and ink jet recording apparatusSEIKO EPSON CORP·Filed 2014·Granted Aug 8, 2017·2 cites·1 claims
- 1682US6599356B2Method for manufacturing pigment dispersed liquid, and pigment dispersed liquid, and ink for ink-jet printer recording using said pigment dispersed liquidSEIKO EPSON CORP·Filed 2001·Granted Jul 29, 2003·14 cites·26 claims
- 1778US6596378B2Recording medium and aqueous ink compositionSEIKO EPSON CORP·Filed 2001·Granted Jul 22, 2003·11 cites·5 claims
- 1877US5948154AColor ink set for ink-jet recordingSEIKO EPSON CORP·Filed 1996·Granted Sep 7, 1999·40 cites·26 claims
- 1974US5560771AColor ink composition and color ink jet printing methodSEIKO EPSON CORP·Filed 1994·Granted Oct 1, 1996·30 cites·26 claims
- 2074US5439517ABlack ink composition excellent in blackSEIKO EPSON CORP·Filed 1993·Granted Aug 8, 1995·34 cites·12 claims
- 2172US5753016AInk composition excellent in reproduction of black color and ink jet recording method using the sameSEIKO EPSON CORP·Filed 1996·Granted May 19, 1998·31 cites·22 claims
- 2269US5798776AColor ink jet recording methodSEIKO EPSON CORP·Filed 1997·Granted Aug 25, 1998·27 cites·15 claims
- 2368US6719833B2Recording medium, and image forming method and recorded matter using sameSEIKO EPSON CORP·Filed 2001·Granted Apr 13, 2004·8 cites·10 claims
- 2467US5795970AMixed disazo-dye composition and black aqueous ink composition containing the same that provides high grade image on printORIENT CHEMICAL IND·Filed 1996·Granted Aug 18, 1998·10 cites·12 claims
- 2563US7691192B2Ink composition, and ink jet recording method and recorded matter using the sameSEIKO EPSON CORP·Filed 2004·Granted Apr 6, 2010·5 cites·23 claims
- 2662US5675023AChromone derivative, and aldose reductase inhibitor comprising said compound as active componentTSUMURA & CO·Filed 1995·Granted Oct 7, 1997·8 cites·7 claims
- 2761US2014221536A1Aqueous Ink, Aqueous Ink Set and Production Method of DispersionSEIKO EPSON CORP·Filed 2014·Application pending·0 cites
- 2859US5748208AColor ink jet recording methodSEIKO EPSON CORP·Filed 1993·Granted May 5, 1998·17 cites·8 claims
- 2957US11591489B2Aqueous ink jet compositionSEIKO EPSON CORP·Filed 2019·Granted Feb 28, 2023·0 cites·12 claims
- 3056US11447649B2Aqueous ink jet compositionSEIKO EPSON CORP·Filed 2019·Granted Sep 20, 2022·0 cites·17 claims
- 3156US11384249B2Aqueous ink jet compositionSEIKO EPSON CORP·Filed 2019·Granted Jul 12, 2022·0 cites·8 claims
- 3256US7676165B2Image forming apparatus and control method thereforCANON KK·Filed 2007·Granted Mar 9, 2010·1 cites·7 claims
- 3355US11866596B2Aqueous ink jet compositionSEIKO EPSON CORP·Filed 2020·Granted Jan 9, 2024·0 cites·9 claims
- 3455US7553885B2Ink for inkjet recordingSEIKO EPSON CORP·Filed 2006·Granted Jun 30, 2009·0 cites·3 claims
- 3555US5627204AChromone derivative, and aldose reductase inhibitor comprising said compound as active componentTSUMURA & COMPANY·Filed 1995·Granted May 6, 1997·7 cites·16 claims
- 3654US9382438B2Ink composition for ink jet recording, penetrant for ink jet recording, and recording apparatusSEIKO EPSON CORP·Filed 2013·Granted Jul 5, 2016·0 cites·11 claims
- 3753US8759417B2Water-based ink, water-based ink set, and process for producing dispersionYATAKE MASAHIRO·Filed 2002·Granted Jun 24, 2014·2 cites·20 claims
- 3851US5647897AInk composition for ink jet recordingSEIKO EPSON CORP·Filed 1995·Granted Jul 15, 1997·14 cites·19 claims
- 3951US2008146713A1Ink jet recording ink, ink jet recording ink set, recording method, recorded matter and ink jet recording apparatusSEIKO EPSON CORP·Filed 2007·Application pending·0 cites
- 4050US2013208063A1Ink jet penetrant, composition for ink jet recording, and recording apparatusSEIKO EPSON CORP·Filed 2013·Application pending·0 cites
- 4149US9365726B2Ink composition, inkset, recording apparatus, and recording methodSEIKO EPSON CORP·Filed 2013·Granted Jun 14, 2016·0 cites·7 claims
- 4244US2014287207A1Ink for ink jet recording, recording apparatus, and recorded mediumSEIKO EPSON CORP·Filed 2014·Application pending·0 cites
- 4341US5616174AInk composition and ink jet recording method using the sameSEIKO EPSON CORP·Filed 1995·Granted Apr 1, 1997·8 cites·10 claims
- 4440US10047234B2Ink setSEIKO EPSON CORP·Filed 2015·Granted Aug 14, 2018·0 cites·13 claims
- 4533US5455267AChromone derivative, and aldose reductase inhibitor comprising said compound as active componentTSUMURA & CO·Filed 1994·Granted Oct 3, 1995·0 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →