Inventor · disambiguated record
Yun-Lan Cheng
Also filed as: CHENG YUN-LAN
2 granted patents·1 pending application·3 citations·filing 2008–2011
36Inventor score
Files withCHENG YUN-LAN3
Top patents by PatentIndex Score
3 records- 0154US8136696B2Lottery ticket machine able to prevent tickets from being illegally drawn outCHENG YUN-LAN·Filed 2009·Granted Mar 20, 2012·3 cites·9 claims
- 0240US7922038B2Lottery ticket machine having function of preventing tickets from being illegally drawn outCHENG YUN-LAN·Filed 2008·Granted Apr 12, 2011·0 cites·9 claims
- 0323US2013045793A1Electronic sensing coin acceptorCHENG YUN-LAN·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →