Inventor · disambiguated record
Kazuhiko Takanashi
Also filed as: TAKANASHI KAZUHIKO
28 granted patents·473 citations·filing 1993–2021
97Inventor score
Technology areasB43K
Top patents by PatentIndex Score
28 records- 0197USD404426SBall-point penMITSUBISHI PENCIL CO·Filed 1998·Granted Jan 19, 1999·82 cites·1 claims
- 0293USD483066SBallpoint penMITSUBISHI PENCIL CO·Filed 2002·Granted Dec 2, 2003·50 cites·1 claims
- 0392USD483067SBallpoint penMITSUBISHI PENCIL CO·Filed 2002·Granted Dec 2, 2003·47 cites·1 claims
- 0490USD454588SBall-point penMITSUBISHI PENCIL CO·Filed 2001·Granted Mar 19, 2002·42 cites·1 claims
- 0589USD357699SFelt pen with an eraser at the tip of the capMITSUBISHI PENCIL CO·Filed 1993·Granted Apr 25, 1995·33 cites·1 claims
- 0688USD497950SBallpoint penMITSUBISHI PENCIL CO·Filed 2004·Granted Nov 2, 2004·35 cites·1 claims
- 0783USD558269SPenMITSUBISHI PENCIL CO·Filed 2006·Granted Dec 25, 2007·29 cites·1 claims
- 0880US6428235B1Liquid applicator having ink color identificationMITSUBISHI PENCIL CO·Filed 2000·Granted Aug 6, 2002·18 cites·37 claims
- 0977USD404427SBall-point penMITSUBISHI PENCIL CO·Filed 1998·Granted Jan 19, 1999·20 cites·1 claims
- 1072USD484536SBall-point penMITSUBISHI PENCIL CO·Filed 2002·Granted Dec 30, 2003·17 cites·1 claims
- 1169USD830462SPenMITSUBISHI PENCIL CO·Filed 2017·Granted Oct 9, 2018·11 cites·1 claims
- 1268US10576775B2Knock type writing instrumentMITSUBISHI PENCIL CO·Filed 2015·Granted Mar 3, 2020·1 cites·7 claims
- 1365USD597135SPenMITSUBISHI PENCIL CO·Filed 2008·Granted Jul 28, 2009·13 cites·1 claims
- 1462USD449649SMarkerMITSUBISHI PENCIL CO·Filed 2000·Granted Oct 23, 2001·12 cites·1 claims
- 1559USD602528SPenMITSUBISHI PENCIL CO·Filed 2008·Granted Oct 20, 2009·10 cites·1 claims
- 1654USD592246SPenMITSUBISHI PENCIL CO·Filed 2008·Granted May 12, 2009·8 cites·1 claims
- 1754USD496069SCorrection penMITSUBISHI PENCIL CO·Filed 2003·Granted Sep 14, 2004·8 cites·1 claims
- 1853USD454158SRefill for ball-point penMITSUBISHI PENCIL CO·Filed 2001·Granted Mar 5, 2002·8 cites·1 claims
- 1950USD673610SPenMITSUBISHI PENCIL CO·Filed 2011·Granted Jan 1, 2013·6 cites·1 claims
- 2049USD484541SCap for a penMITSUBISHI PENCIL CO·Filed 2003·Granted Dec 30, 2003·6 cites·1 claims
- 2148USD647967SPenMITSUBISHI PENCIL CO·Filed 2010·Granted Nov 1, 2011·5 cites·1 claims
- 2244USD1030871SPenMITSUBISHI PENCIL CO·Filed 2021·Granted Jun 11, 2024·0 cites·1 claims
- 2343USD953424SPenMITSUBISHI PENCIL CO·Filed 2020·Granted May 31, 2022·0 cites·1 claims
- 2443USD901586SPenMITSUBISHI PENCIL CO·Filed 2019·Granted Nov 10, 2020·2 cites·1 claims
- 2543USD578161SPenMITSUBISHI PENCIL CO·Filed 2007·Granted Oct 7, 2008·4 cites·1 claims
- 2640USD1037356SPen with capMITSUBISHI PENCIL CO·Filed 2021·Granted Jul 30, 2024·0 cites·1 claims
- 2738USD685027SPenTAKANASHI KAZUHIKO·Filed 2012·Granted Jun 25, 2013·4 cites·1 claims
- 2838USD645084SCapMITSUBISHI PENCIL CO·Filed 2010·Granted Sep 13, 2011·2 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →