Assignee
DONG A PENCIL CO LTD
KR·37 granted patents·8 pending applications·392 citations·filing 1999–2023
Top patents by PatentIndex Score
45 records- 0188USD480756SBall point penDONG A PENCIL CO LTD·Filed 2002·Granted Oct 14, 2003·41 cites·1 claims
- 0285US10377166B2Knock type penDONG A PENCIL CO LTD·Filed 2017·Granted Aug 13, 2019·2 cites·3 claims
- 0383USD464083SBall-point penDONG A PENCIL CO LTD·Filed 2001·Granted Oct 8, 2002·32 cites·1 claims
- 0483USD463491SBall point penDONG A PENCIL CO LTD·Filed 2001·Granted Sep 24, 2002·32 cites·1 claims
- 0583USD446813SBall point penDONG A PENCIL CO LTD·Filed 2000·Granted Aug 21, 2001·32 cites·1 claims
- 0681USD547802SBallpoint penDONG A PENCIL CO LTD·Filed 2005·Granted Jul 31, 2007·39 cites·1 claims
- 0781USD462990SBall point penDONG A PENCIL CO LTD·Filed 2001·Granted Sep 17, 2002·29 cites·1 claims
- 0875USD447173SMarking penDONG A PENCIL CO LTD·Filed 2000·Granted Aug 28, 2001·22 cites·1 claims
- 0974US10017004B2Thermochromic writing instrumentDONG A PENCIL CO LTD·Filed 2017·Granted Jul 10, 2018·1 cites·5 claims
- 1072USD463489SBall point penDONG A PENCIL CO LTD·Filed 2001·Granted Sep 24, 2002·19 cites·1 claims
- 1167USD463823SBall point penDONG A PENCIL CO LTD·Filed 2001·Granted Oct 1, 2002·16 cites·1 claims
- 1263USD445830SBall point penDONG A PENCIL CO LTD·Filed 2000·Granted Jul 31, 2001·14 cites·1 claims
- 1362USD487771SBall point penDONG A PENCIL CO LTD·Filed 2003·Granted Mar 23, 2004·13 cites·1 claims
- 1461USD636022SHighlighter penDONG A PENCIL CO LTD·Filed 2010·Granted Apr 12, 2011·13 cites·1 claims
- 1561US6382860B1Safety knock-type writing utensilDONG A PENCIL CO LTD·Filed 2000·Granted May 7, 2002·7 cites·7 claims
- 1656USD646715SBallpoint penDONG A PENCIL CO LTD·Filed 2010·Granted Oct 11, 2011·10 cites·1 claims
- 1755US9879147B2Thermochromic micro particles and thermochromic ink composition, writing apparatus and smart window using the sameDONG-A PENCIL CO LTD·Filed 2016·Granted Jan 30, 2018·0 cites·18 claims
- 1854USD817399SBallpoint penDONG A PENCIL CO LTD·Filed 2016·Granted May 8, 2018·6 cites·1 claims
- 1954USD797853SBallpoint penDONG-A PENCIL CO LTD·Filed 2015·Granted Sep 19, 2017·6 cites·1 claims
- 2054USD787595SBallpoint penDONG-A PENCIL CO LTD·Filed 2016·Granted May 23, 2017·6 cites·1 claims
- 2154USD482398SMarker penDONG A PENCIL CO LTD·Filed 2002·Granted Nov 18, 2003·9 cites·1 claims
- 2253US10525761B2Knock type penDONG A PENCIL CO LTD·Filed 2017·Granted Jan 7, 2020·0 cites·3 claims
- 2353US2024218186A1Method of preparing coated pigment and water-based ink composition containing coated pigment prepared therebyDONG A PENCIL CO LTD·Filed 2023·Application pending·0 cites
- 2452US2009196676A1Tip for writing instrumentDONG A PENCIL CO LTD·Filed 2008·Application pending·0 cites
- 2551USD974468SPenDONG A PENCIL CO LTD·Filed 2020·Granted Jan 3, 2023·1 cites·1 claims
- 2650USD791874SBallpoint penDONG-A PENCIL CO LTD·Filed 2015·Granted Jul 11, 2017·5 cites·1 claims
- 2749US10639927B2Knock type penDONG A PENCIL CO LTD·Filed 2018·Granted May 5, 2020·0 cites·6 claims
- 2849US10369836B2Knock type penDONG A PENCIL CO LTD·Filed 2017·Granted Aug 6, 2019·0 cites·7 claims
- 2949USD646719SBallpoint penDONG A PENCIL CO LTD·Filed 2010·Granted Oct 11, 2011·7 cites·1 claims
- 3049US2008199243A1Ballpoint pen tipDONG A PENCIL CO LTD·Filed 2007·Application pending·0 cites
- 3149US2024218187A1Method of preparing coated pigment and water-based ink composition containing coated pigment prepared therebyDONG A PENCIL CO LTD·Filed 2023·Application pending·0 cites
- 3248USD487770SBall point penDONG A PENCIL CO LTD·Filed 2003·Granted Mar 23, 2004·7 cites·1 claims
- 3347US9909025B2Thermochromic micro particles and thermochromic ink composition, writing apparatus and smart window using the sameDONG A PENCIL CO LTD·Filed 2016·Granted Mar 6, 2018·0 cites·14 claims
- 3446US2019160852A1Knock type penDONG A PENCIL CO LTD·Filed 2017·Application pending·0 cites
- 3545US2011058890A1Tip for Ball Point PenDONG A PENCIL CO LTD·Filed 2010·Application pending·0 cites
- 3643USD1046966SPenDONG A PENCIL CO LTD·Filed 2021·Granted Oct 15, 2024·0 cites·1 claims
- 3743USD817400SBallpoint penDONG A PENCIL CO LTD·Filed 2016·Granted May 8, 2018·3 cites·1 claims
- 3843USD695828SHighlighter penDONG A PENCIL CO LTD·Filed 2012·Granted Dec 17, 2013·5 cites·1 claims
- 3943USD646718SBallpoint penDONG A PENCIL CO LTD·Filed 2010·Granted Oct 11, 2011·5 cites·1 claims
- 4042US2017001467A1Heating eraser for removing thermally changeable inkDONG-A PENCIL CO LTD·Filed 2016·Application pending·0 cites
- 4141US6193429B1Tip mechanism for knock-type ballpoint penDONG A PENCIL CO LTD·Filed 1999·Granted Feb 27, 2001·10 cites·4 claims
- 4236USD1053946SBallpoint penDONG A PENCIL CO LTD·Filed 2022·Granted Dec 10, 2024·0 cites·1 claims
- 4336US2001009934A1Tacky ink and pen using sameDONG A PENCIL CO LTD·Filed 2001·Application pending·0 cites
- 4435USD1039048SBallpoint penDONG A PENCIL CO LTD·Filed 2021·Granted Aug 13, 2024·0 cites·1 claims
- 4534USD996522SBallpoint penDONG A PENCIL CO LTD·Filed 2020·Granted Aug 22, 2023·0 cites·1 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →