Inventor · disambiguated record
Dojin Ra
Also filed as: RA DOJIN
4 granted patents·1 pending application·228 citations·filing 1996–2010
81Inventor score
Files withRA DOJIN2
Top patents by PatentIndex Score
5 records- 0189US5864915AToothbrushFiled 1996·Granted Feb 2, 1999·145 cites·8 claims
- 0273USD388253SToothbrushRA DOJIN·Filed 1996·Granted Dec 30, 1997·23 cites·1 claims
- 0362US5680666AAutomatic polishing deviceFiled 1996·Granted Oct 28, 1997·34 cites·17 claims
- 0458US6079854ADevice and method for diffusing lightFiled 1998·Granted Jun 27, 2000·26 cites·27 claims
- 0543US2011078043A1Payment and transfer management system using wireless communication network or internet and method thereofRA DOJIN·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →