Inventor · disambiguated record
Hidekazu Nakazawa
Also filed as: NAKAZAWA HIDEKAZU
23 granted patents·287 citations·filing 2000–2020
96Inventor score
Files withPENTEL KK19NAKAZAWA HIDEKAZU1PENTEL KANUSHIKI KAISHA1PENTEL OF AMERICA LTD1Pentel Kabushika Kaisha1
Top patents by PatentIndex Score
23 records- 0190USD444499SMechanical pencilPENTEL KK·Filed 2000·Granted Jul 3, 2001·43 cites·1 claims
- 0289USD458964SBall point penPENTEL KANUSHIKI KAISHA·Filed 2000·Granted Jun 18, 2002·49 cites·1 claims
- 0387USD506504SBall point penPENTEL KK·Filed 2004·Granted Jun 21, 2005·41 cites·1 claims
- 0483USD506780SBall point penPENTEL KK·Filed 2003·Granted Jun 28, 2005·27 cites·1 claims
- 0576USD466156SWriting instrumentPENTEL KK·Filed 2001·Granted Nov 26, 2002·21 cites·1 claims
- 0668USD648790SBallpoint penNAKAZAWA HIDEKAZU·Filed 2010·Granted Nov 15, 2011·18 cites·1 claims
- 0766USD473898SWriting instrumentPENTEL KK·Filed 2002·Granted Apr 29, 2003·14 cites·1 claims
- 0862USD523476SMechanical pencilPENTEL KK·Filed 2004·Granted Jun 20, 2006·12 cites·1 claims
- 0956USD541869SCase for refillable leads for a mechanical pencilPENTEL KK·Filed 2005·Granted May 1, 2007·10 cites·1 claims
- 1054USD902311SBallpoint penPENTEL KK·Filed 2019·Granted Nov 17, 2020·4 cites·1 claims
- 1153USD724669SMechanical pencilPENTEL KK·Filed 2013·Granted Mar 17, 2015·9 cites·1 claims
- 1252USD603897SMechanical pencilPentel Kabushika Kaisha·Filed 2008·Granted Nov 10, 2009·9 cites·1 claims
- 1352USD538854SWriting instrumentPENTEL OF AMERICA LTD·Filed 2005·Granted Mar 20, 2007·8 cites·1 claims
- 1448USD876541SMechanical pencilPENTEL KK·Filed 2019·Granted Feb 25, 2020·3 cites·1 claims
- 1547USD576678SCap for a writing instrumentPENTEL KK·Filed 2006·Granted Sep 9, 2008·6 cites·1 claims
- 1645USD839348SBallpoint penPENTEL KK·Filed 2017·Granted Jan 29, 2019·3 cites·1 claims
- 1744USD956869SBallpoint penPENTEL KK·Filed 2020·Granted Jul 5, 2022·0 cites·1 claims
- 1842USD846640SMechanical pencilPENTEL KK·Filed 2017·Granted Apr 23, 2019·2 cites·1 claims
- 1942USD489404SBall point penPENTEL KK·Filed 2003·Granted May 4, 2004·4 cites·1 claims
- 2039USD585936SBallpoint penPENTEL KK·Filed 2006·Granted Feb 3, 2009·3 cites·1 claims
- 2138USD978244SBallpoint penPENTEL KK·Filed 2020·Granted Feb 14, 2023·0 cites·1 claims
- 2238USD956870SBallpoint penPENTEL KK·Filed 2020·Granted Jul 5, 2022·0 cites·1 claims
- 2335USD822112SBallpoint penPENTEL KK·Filed 2016·Granted Jul 3, 2018·1 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →