Assignee
SAKURA COLOR PROD CORP
JP·173 granted patents·13 pending applications·3,228 citations·filing 1973–2022
Top patents by PatentIndex Score
186 records- 0195US6616741B1Aqueous metallic ink compositionSAKURA COLOR PROD CORP·Filed 2000·Granted Sep 9, 2003·54 cites·30 claims
- 0294US4545818AAqueous ink compositions for ball-point pensSAKURA COLOR PROD CORP·Filed 1983·Granted Oct 8, 1985·67 cites·28 claims
- 0392US6406204B1Oily ink for writing instrumentSAKURA COLOR PROD CORP·Filed 2000·Granted Jun 18, 2002·31 cites·23 claims
- 0492US4308061AAqueous ink compositionSAKURA COLOR PROD CORP·Filed 1980·Granted Dec 29, 1981·64 cites·11 claims
- 0591US5709492ALiquid applicatorSAKURA COLOR PROD CORP·Filed 1996·Granted Jan 20, 1998·47 cites·18 claims
- 0690US6458192B1Erasable ink compositionSAKURA COLOR PROD CORP·Filed 2000·Granted Oct 1, 2002·42 cites·6 claims
- 0790US6336964B1Ozone indicator and ozone sensor inkSAKURA COLOR PROD CORP·Filed 2000·Granted Jan 8, 2002·37 cites·12 claims
- 0890US5120359AErasable ink compositionsSAKURA COLOR PROD CORP·Filed 1989·Granted Jun 9, 1992·46 cites·15 claims
- 0990US4256494AErasable ink composition for writing on an impervious surfaceSAKURA COLOR PROD CORP·Filed 1979·Granted Mar 17, 1981·60 cites·7 claims
- 1089US6666913B2Aqueous ink compositionSAKURA COLOR PROD CORP·Filed 2001·Granted Dec 23, 2003·33 cites·16 claims
- 1189US5087659AInk compositions as steam sterilizing indicators for use in ink jet printingSAKURA COLOR PROD CORP·Filed 1989·Granted Feb 11, 1992·53 cites·11 claims
- 1288US5560796ATransfer sheetSAKURA COLOR PROD CORP·Filed 1994·Granted Oct 1, 1996·56 cites·18 claims
- 1388US4657591AInk compositionSAKURA COLOR PROD CORP·Filed 1984·Granted Apr 14, 1987·50 cites·17 claims
- 1488US3945837AInk compositionSAKURA COLOR PROD CORP·Filed 1973·Granted Mar 23, 1976·45 cites·24 claims
- 1587US6659036B2Plasma sterilization indicatorSAKURA COLOR PROD CORP·Filed 2000·Granted Dec 9, 2003·27 cites·5 claims
- 1687US4525216AInk compositionSAKURA COLOR PROD CORP·Filed 1982·Granted Jun 25, 1985·47 cites·8 claims
- 1786US7981687B2Ink composition for sensing gas exposure and gas exposure indicatorSAKURA COLOR PROD CORP·Filed 2005·Granted Jul 19, 2011·13 cites·28 claims
- 1886US6770689B1Aqueous glittering inkSAKURA COLOR PROD CORP·Filed 2000·Granted Aug 3, 2004·25 cites·32 claims
- 1986US5527385AThermochromic compositionSAKURA COLOR PROD CORP·Filed 1993·Granted Jun 18, 1996·58 cites·12 claims
- 2086US5180637ADouble-walled microcapsules and a process for preparation of sameSAKURA COLOR PROD CORP·Filed 1991·Granted Jan 19, 1993·60 cites·4 claims
- 2185US5004763AWater base erasable ink compositionsSAKURA COLOR PROD CORP·Filed 1990·Granted Apr 2, 1991·57 cites·10 claims
- 2285US4545819AWriting implement containing dual color ink compositionSAKURA COLOR PROD CORP·Filed 1984·Granted Oct 8, 1985·41 cites·20 claims
- 2384US6306930B1Erasable ink and water-base ballpoint pen using sameSAKURA COLOR PROD CORP·Filed 1999·Granted Oct 23, 2001·42 cites·10 claims
- 2484US6171381B1Aqueous metallic ink compositionSAKURA COLOR PROD CORP·Filed 1998·Granted Jan 9, 2001·46 cites·16 claims
- 2584USD401275SWriting instrumentSAKURA COLOR PROD CORP·Filed 1997·Granted Nov 17, 1998·27 cites·1 claims
- 2684US5324764AErasable ink composition for writing on impervious surfaceSAKURA COLOR PROD CORP·Filed 1993·Granted Jun 28, 1994·47 cites·9 claims
- 2784US4620941AThermochromic compositionsSAKURA COLOR PROD CORP·Filed 1984·Granted Nov 4, 1986·52 cites·4 claims
- 2884US4578117AErasable ink compositionSAKURA COLOR PROD CORP·Filed 1984·Granted Mar 25, 1986·37 cites·11 claims
- 2983US6730717B2Aqueous glittering ink compositionSAKURA COLOR PROD CORP·Filed 2002·Granted May 4, 2004·17 cites·34 claims
- 3083US4954174AErasable ink compositionsSAKURA COLOR PROD CORP·Filed 1988·Granted Sep 4, 1990·42 cites·7 claims
- 3183US4212676ACompositions for solid writing materials and writing implementsSAKURA COLOR PROD CORP·Filed 1979·Granted Jul 15, 1980·32 cites·19 claims
- 3283US3945836AInk compositionSAKURA COLOR PROD CORP·Filed 1973·Granted Mar 23, 1976·34 cites·4 claims
- 3382US5432258ATransfer paperSAKURA COLOR PROD CORP·Filed 1994·Granted Jul 11, 1995·42 cites·11 claims
- 3482US4960340AImplement for applying liquidSAKURA COLOR PROD CORP·Filed 1988·Granted Oct 2, 1990·38 cites·8 claims
- 3581US6422776B1Ball-point pen and a penpoint tip thereinSAKURA COLOR PROD CORP·Filed 2000·Granted Jul 23, 2002·19 cites·15 claims
- 3680USD600748SPainting equipment caseSAKURA COLOR PROD CORP·Filed 2007·Granted Sep 22, 2009·25 cites·1 claims
- 3780US4490177ADual color ink compositionSAKURA COLOR PROD CORP·Filed 1983·Granted Dec 25, 1984·34 cites·16 claims
- 3879US6706103B2Water-based metallic ink composition and writing instrument using sameSAKURA COLOR PROD CORP·Filed 2000·Granted Mar 16, 2004·15 cites·18 claims
- 3979US6299376B1Ball-point penSAKURA COLOR PROD CORP·Filed 2000·Granted Oct 9, 2001·17 cites·15 claims
- 4079US5350634AThermochromic compositionSAKURA COLOR PROD CORP·Filed 1993·Granted Sep 27, 1994·28 cites·19 claims
- 4179US4212786ACrayon compositionsSAKURA COLOR PROD CORP·Filed 1978·Granted Jul 15, 1980·37 cites·21 claims
- 4278US6852281B2Gas indicator and gas sensor sheetSAKURA COLOR PROD CORP·Filed 2001·Granted Feb 8, 2005·15 cites·23 claims
- 4378US6325845B1Aqueous ink for ball point pensSAKURA COLOR PROD CORP·Filed 2000·Granted Dec 4, 2001·14 cites·18 claims
- 4478US6117685AOzone indicator and ozone detecting inkSAKURA COLOR PROD CORP·Filed 1998·Granted Sep 12, 2000·41 cites·14 claims
- 4577US6730154B2Polychromic ink composition depending on viewing angleSAKURA COLOR PROD CORP·Filed 2001·Granted May 4, 2004·22 cites·37 claims
- 4677US6554521B1ApplicatorSAKURA COLOR PROD CORP·Filed 2000·Granted Apr 29, 2003·13 cites·23 claims
- 4777US5585189APigment dispersion compositionSAKURA COLOR PROD CORP·Filed 1995·Granted Dec 17, 1996·34 cites·11 claims
- 4877US5500040AUltraviolet-curable thermochromic ink compositionSAKURA COLOR PROD CORP·Filed 1995·Granted Mar 19, 1996·55 cites·3 claims
- 4977US4854332ACigarette having thermochromogenic portions thereonSAKURA COLOR PROD CORP·Filed 1987·Granted Aug 8, 1989·70 cites·10 claims
- 5076US5203913AErasable aqueous ink compositionSAKURA COLOR PROD CORP·Filed 1991·Granted Apr 20, 1993·36 cites·4 claims
Showing the top 50 of 186 patent records by PatentIndex Score.
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