Inventor · disambiguated record
Doogong Yip
Also filed as: YIP DOOGONG
3 granted patents·4 citations·filing 2003–2006
54Inventor score
Top patents by PatentIndex Score
3 records- 0146US7273009B2Marking structures for hand stampsM & R MARKING SYSTEMS INC·Filed 2003·Granted Sep 25, 2007·4 cites·9 claims
- 0242US7387068B2Methods of making multi-color ink stampsTRODAT GMBH·Filed 2006·Granted Jun 17, 2008·0 cites·19 claims
- 0335US7166395B2Method and system of processing stampsM & R MARKING SYSTEMS INC·Filed 2003·Granted Jan 23, 2007·0 cites·65 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →