Inventor · disambiguated record
Toshimasa Nagaoka
Also filed as: NAGAOKA TOSHIMASA
6 granted patents·224 citations·filing 1992–2003
86Inventor score
Top patents by PatentIndex Score
6 records- 0193US5564850AInput pen with attached writing implementPILOT PRECISION·Filed 1995·Granted Oct 15, 1996·67 cites·8 claims
- 0288USD389131SInput penPILOT PREC KABUSHIKI KAISHA·Filed 1997·Granted Jan 13, 1998·39 cites·1 claims
- 0382US6361232B1Input penPILOT PREC KABUSHIKI KAISHA·Filed 2000·Granted Mar 26, 2002·38 cites·8 claims
- 0468US6707451B1Input penPILOT PREC KABUSHIKI KAISHA·Filed 1997·Granted Mar 16, 2004·58 cites·21 claims
- 0565US6830404B2Input penPILOT PREC KABUSHIKI KAISHA·Filed 2003·Granted Dec 14, 2004·12 cites·3 claims
- 0643US5171097AMechanical pencil with lead-feeding device operable by forward shakePILOT PRECISION·Filed 1992·Granted Dec 15, 1992·10 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →