Inventor · disambiguated record
Hong-Kai Yen
Also filed as: YEN HONG-KAI
2 granted patents·1 pending application·37 citations·filing 2001–2007
59Inventor score
Top patents by PatentIndex Score
3 records- 0183US7991434B2Combi-sim card framework of electronic purse combining wireless transceiver of mobile deviceCHUNGHWA TELECOM CO LTD·Filed 2007·Granted Aug 2, 2011·34 cites·4 claims
- 0248US6356208B1Structure for a car sensing infrared communication device placed over a lane of a freewayCHUNGHWATELECOM CO LTD·Filed 2001·Granted Mar 12, 2002·3 cites·4 claims
- 0341US2004200899A1Automatic toll collection architecture and method combining short-range and long-range communication schemesFiled 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →