Inventor · disambiguated record
Kyo Nakayama
Also filed as: NAKAYAMA KYO
19 granted patents·84 citations·filing 2004–2018
93Inventor score
Top patents by PatentIndex Score
19 records- 0191US7802936B1Mechanical pencilMITSUBISHI PENCIL CO·Filed 2008·Granted Sep 28, 2010·16 cites·7 claims
- 0288US7654763B2Mechanical pencilMITSUBISHI PENCIL CO·Filed 2007·Granted Feb 2, 2010·10 cites·12 claims
- 0384US7815385B2Mechanical pencilMITSUBISHI PENCIL CO·Filed 2009·Granted Oct 19, 2010·7 cites·4 claims
- 0476US8337107B2Mechanical pencilOHSAWA NORIO·Filed 2008·Granted Dec 25, 2012·8 cites·12 claims
- 0575US7850381B2Mechanical pencilMITSUBISHI PENCIL CO·Filed 2008·Granted Dec 14, 2010·5 cites·6 claims
- 0675US7850380B2Mechanical pencilMITSUBISHI PENCIL CO·Filed 2008·Granted Dec 14, 2010·5 cites·6 claims
- 0774US8328446B2Mechanical pencilIZAWA HIROTAKE·Filed 2010·Granted Dec 11, 2012·2 cites·3 claims
- 0874US7806615B1Mechanical pencilMITSUBISHI PENCIL CO·Filed 2008·Granted Oct 5, 2010·5 cites·6 claims
- 0972US11221686B2Multifunction penMITSUBISHI PENCIL CO·Filed 2018·Granted Jan 11, 2022·2 cites·8 claims
- 1072US10921909B2Input touch penMITSUBISHI PENCIL CO·Filed 2018·Granted Feb 16, 2021·2 cites·6 claims
- 1172US9597920B2Writing instrument or applicator having resin molded partsMITSUBISHI PENCIL CO·Filed 2014·Granted Mar 21, 2017·3 cites·5 claims
- 1271US9302529B2Mechanical pencilIZAWA HIROTAKE·Filed 2012·Granted Apr 5, 2016·2 cites·12 claims
- 1367US8043686B2Method of moulding composite member, and composite memberMITSUBISHI PENCIL CO·Filed 2006·Granted Oct 25, 2011·2 cites·5 claims
- 1463US6854909B2Lead propelling deviceMITSUBISHI PENCIL CO·Filed 2004·Granted Feb 15, 2005·8 cites·20 claims
- 1562US7452148B2Lead holding structure of mechanical pencilMITSUBISHI PENCIL CO·Filed 2005·Granted Nov 18, 2008·1 cites·2 claims
- 1654US7153052B2Writing implementGELTEC CO LTD·Filed 2004·Granted Dec 26, 2006·6 cites·16 claims
- 1753US9649872B2Chuck body and mechanical pencilMITSUBISHI PENCIL CO·Filed 2013·Granted May 16, 2017·0 cites·4 claims
- 1848US11472222B2Multifunction penMITSUBISHI PENCIL CO·Filed 2018·Granted Oct 18, 2022·0 cites·5 claims
- 1942US10838520B2Handwriting input deviceMITSUBISHI PENCIL CO·Filed 2017·Granted Nov 17, 2020·0 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →