Assignee
PILOT INK CO LTD
JP·149 granted patents·10 pending applications·4,438 citations·filing 1975–2025
Top patents by PatentIndex Score
159 records- 0198US7494537B2Thermochromic coloring color-memory composition and thermochromic coloring color-memory microcapsule pigment containing the samePILOT INK CO LTD·Filed 2005·Granted Feb 24, 2009·49 cites·8 claims
- 0298US4720301AReversible heat sensitive recording compositionPILOT INK CO LTD·Filed 1985·Granted Jan 19, 1988·156 cites·2 claims
- 0398US4421560AThermochromatic materialsPILOT INK CO LTD·Filed 1982·Granted Dec 20, 1983·171 cites·4 claims
- 0497US9844973B2Writing instrumentPILOT INK CO LTD·Filed 2015·Granted Dec 19, 2017·6 cites·32 claims
- 0597US6494950B1Thermochromic microencapsulated pigmentsPILOT INK CO LTD·Filed 2000·Granted Dec 17, 2002·75 cites·5 claims
- 0697US5219625AThermochromic laminate member and toy utilizing the samePILOT INK CO LTD·Filed 1992·Granted Jun 15, 1993·138 cites·4 claims
- 0796USD290979SToy cowPILOT INK CO LTD·Filed 1984·Granted Jul 21, 1987·43 cites·1 claims
- 0896US4028118AThermochromic materialsPILOT INK CO LTD·Filed 1975·Granted Jun 7, 1977·345 cites·9 claims
- 0995US7708913B2Thermochromic coloring color-memory composition and thermochromic coloring color-memory microcapsule pigment containing the samePILOT INK CO LTD·Filed 2008·Granted May 4, 2010·12 cites·1 claims
- 1095USD489088SBall-point penPILOT INK CO LTD·Filed 2003·Granted Apr 27, 2004·71 cites·1 claims
- 1195US4732810AReversible temperature-indicating compositionPILOT INK CO LTD·Filed 1985·Granted Mar 22, 1988·76 cites·4 claims
- 1294US10493791B2Writing instrumentPILOT INK CO LTD·Filed 2017·Granted Dec 3, 2019·3 cites·10 claims
- 1394US6669765B2Thermochromic dry offset ink, and printed article produced using the samePILOT INK CO LTD·Filed 2001·Granted Dec 30, 2003·38 cites·17 claims
- 1494USD472577SBall-point penPILOT INK CO LTD·Filed 2002·Granted Apr 1, 2003·66 cites·1 claims
- 1594US5785746APreparation method for shear-thinning water-based ball-point pen inks compositions and ball-point pens employing the samePILOT INK CO LTD·Filed 1997·Granted Jul 28, 1998·55 cites·18 claims
- 1694US5558700AReversible thermochromic compositionPILOT INK CO LTD·Filed 1994·Granted Sep 24, 1996·88 cites·20 claims
- 1794US4920991AThermochromic artificial nailPILOT INK CO LTD·Filed 1988·Granted May 1, 1990·78 cites·10 claims
- 1894US4681791AThermochromic textile materialPILOT INK CO LTD·Filed 1986·Granted Jul 21, 1987·181 cites·10 claims
- 1993USD363308SBall-point penPILOT INK CO LTD·Filed 1994·Granted Oct 17, 1995·46 cites·1 claims
- 2092US9855789B2Thermochromic color-memorizing composition and thermochromic color-memorizing microcapsule pigment encapsulating samePILOT INK CO LTD·Filed 2015·Granted Jan 2, 2018·3 cites·10 claims
- 2192US6416853B1Color-change laminates and toy sets with the use thereofPILOT INK CO LTD·Filed 1999·Granted Jul 9, 2002·102 cites·7 claims
- 2292US6228804B1Color-change materialsPILOT INK CO LTD·Filed 1998·Granted May 8, 2001·99 cites·23 claims
- 2392USD286547SPenPILOT INK CO LTD·Filed 1984·Granted Nov 4, 1986·54 cites·1 claims
- 2491US5928803ATemperature-sensitive reversibly deformable laminatePILOT INK CO LTD·Filed 1997·Granted Jul 27, 1999·75 cites·12 claims
- 2591US5688592AThermochromic laminate comprising light intercepting pigment and light stabilizerPILOT INK CO LTD·Filed 1995·Granted Nov 18, 1997·62 cites·9 claims
- 2691USD378761SBall-point penPILOT INK CO LTD·Filed 1996·Granted Apr 8, 1997·44 cites·1 claims
- 2791US5490956AThermochromic opaque composition, laminate member employing the same, and three-dimensional member employing said laminate member and capable of concealing and revealing the interiorPILOT INK CO LTD·Filed 1993·Granted Feb 13, 1996·59 cites·11 claims
- 2891US4585815AStencil printing inkPILOT INK CO LTD·Filed 1983·Granted Apr 29, 1986·59 cites·12 claims
- 2991US4554565AMethod of producing reversible thermochromic displayPILOT INK CO LTD·Filed 1984·Granted Nov 19, 1985·71 cites·3 claims
- 3090US6953345B1Water-metachromatic cloth sheet, toy set using the same, and writing instrument for water-metachromatic membersPILOT INK CO LTD·Filed 2000·Granted Oct 11, 2005·26 cites·14 claims
- 3190USD484537SBall-point penPILOT INK CO LTD·Filed 2003·Granted Dec 30, 2003·53 cites·1 claims
- 3290USD462386SBall-point penPILOT INK CO LTD·Filed 2001·Granted Sep 3, 2002·49 cites·1 claims
- 3389US7441976B2Water-based ink composition for ballpoint pen and ballpoint pen comprising the samePILOT INK CO LTD·Filed 2005·Granted Oct 28, 2008·11 cites·20 claims
- 3489US6444313B1Thermochromic acrylic synthetic fiber, its processed article, and process for producing thermochromic acrylic synthetic fiberPILOT INK CO LTD·Filed 2001·Granted Sep 3, 2002·37 cites·8 claims
- 3589US5558699AThermochromic color-memory compositionPILOT INK CO LTD·Filed 1994·Granted Sep 24, 1996·56 cites·3 claims
- 3689US5085607AToy that stably exhibits different colors with indicator for proper temperature applicationPILOT INK CO LTD·Filed 1990·Granted Feb 4, 1992·59 cites·32 claims
- 3788US7578631B2Direct-fluid-supply writing implementPILOT INK CO LTD·Filed 2005·Granted Aug 25, 2009·14 cites·43 claims
- 3888US7335624B2Reversible thermochromic display articlePILOT INK CO LTD·Filed 2005·Granted Feb 26, 2008·9 cites·11 claims
- 3988US5011445AColor memory toy setPILOT INK CO LTD·Filed 1990·Granted Apr 30, 1991·58 cites·6 claims
- 4088US4671692AWriting pen holder with three wicksPILOT INK CO LTD·Filed 1985·Granted Jun 9, 1987·54 cites·5 claims
- 4187US7946777B2Multi-refill writing instrumentPILOT INK CO LTD·Filed 2006·Granted May 24, 2011·12 cites·46 claims
- 4287USD426573SBall-point penPILOT INK CO LTD·Filed 1999·Granted Jun 13, 2000·36 cites·1 claims
- 4386US9695329B2Thermochromic color-memory composition and thermochromic color-memory microcapsule pigment encapsulating samePILOT INK CO LTD·Filed 2014·Granted Jul 4, 2017·4 cites·13 claims
- 4486US6638620B2Reversible thermochromic composition having improved light-fastness and product comprising samePILOT INK CO LTD·Filed 2001·Granted Oct 28, 2003·13 cites·9 claims
- 4586USD287611SToy penguinPILOT INK CO LTD·Filed 1984·Granted Jan 6, 1987·20 cites·1 claims
- 4686US4496258AWriting pen with space behind nibPILOT INK CO LTD·Filed 1983·Granted Jan 29, 1985·42 cites·1 claims
- 4786US4163675AAqueous ink composition for writing instrumentsPILOT INK CO LTD·Filed 1978·Granted Aug 7, 1979·39 cites·8 claims
- 4885US7332109B2Thermally color-developing reversibly thermochromic pigmentPILOT INK CO LTD·Filed 2002·Granted Feb 19, 2008·19 cites·6 claims
- 4985US5895718AThermoplastic resin compositions and temperature-dependent shape-transformable/fixable products making use of the samePILOT INK CO LTD·Filed 1997·Granted Apr 20, 1999·50 cites·20 claims
- 5085US5466283AAqueous ink composition for writing instrumentPILOT INK CO LTD·Filed 1993·Granted Nov 14, 1995·56 cites·4 claims
Showing the top 50 of 159 patent records by PatentIndex Score.
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