Inventor · disambiguated record
Masatoshi Yashima
Also filed as: YASHIMA MASATOSHI
4 granted patents·51 citations·filing 2001–2003
76Inventor score
Technology areasB43K
Files withKURETAKE CO LTD4
Top patents by PatentIndex Score
4 records- 0187US6817802B2Writing instrumentKURETAKE CO LTD·Filed 2003·Granted Nov 16, 2004·28 cites·18 claims
- 0259US6439793B1Stippling instrumentKURETAKE CO LTD·Filed 2001·Granted Aug 27, 2002·8 cites·11 claims
- 0356USD472926SWriting instrumentKURETAKE CO LTD·Filed 2001·Granted Apr 8, 2003·10 cites·1 claims
- 0443USD472925SWriting instrumentKURETAKE CO LTD·Filed 2001·Granted Apr 8, 2003·5 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →