Inventor · disambiguated record
Shubei Kageyama
Also filed as: KAGEYAMA SHUBEI
3 granted patents·59 citations·filing 1988–1992
75Inventor score
Technology areasB43K
Files withKOTOBUKI & CO LTD3
Top patents by PatentIndex Score
3 records- 0181US5370471AWriting tool, with eraser dispenserKOTOBUKI & CO LTD·Filed 1992·Granted Dec 6, 1994·30 cites·14 claims
- 0264US5062727AWriting toolKOTOBUKI & CO LTD·Filed 1988·Granted Nov 5, 1991·12 cites·4 claims
- 0356US5074694ALatch mechanism for retractable writing instrumentsKOTOBUKI & CO LTD·Filed 1990·Granted Dec 24, 1991·17 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →