Inventor · disambiguated record
Ki Sheung Yuen
Also filed as: YUEN KI S · YUEN KI SHEUNG
8 granted patents·3 pending applications·280 citations·filing 1987–2009
89Inventor score
Top patents by PatentIndex Score
11 records- 0188USD447136STransaction terminalIVI CHECKMATE CORP·Filed 2000·Granted Aug 28, 2001·48 cites·1 claims
- 0280US6373511B1Combination terminal and printerIVI CHECKMATE CORP·Filed 2000·Granted Apr 16, 2002·39 cites·33 claims
- 0378US5321243ACard reader apparatus with read head mounting structure and card guideINT VERIFACT INC·Filed 1992·Granted Jun 14, 1994·70 cites·18 claims
- 0462US6097606AFinancial transaction terminal with limited accessINT VERIFACT INC·Filed 1998·Granted Aug 1, 2000·78 cites·20 claims
- 0562US5938472ATamper indicating arrangementINT VERIFACT INC·Filed 1998·Granted Aug 17, 1999·18 cites·14 claims
- 0657US7259341B2Tamper switch actuator arrangementINGENICO CANADA LTD·Filed 2005·Granted Aug 21, 2007·5 cites·11 claims
- 0752US2009293567A1Door lock recording deviceYUEN KI SHEUNG·Filed 2009·Application pending·0 cites
- 0845US5512738ACoded sealINT VERIFACT INC·Filed 1995·Granted Apr 30, 1996·13 cites·21 claims
- 0943US2008293425A1Portable wireless communication systemNAUTIC DEVICES INC·Filed 2008·Application pending·0 cites
- 1039US4757493AMulti-party telephone conferencing apparatusMOTOROLA INC·Filed 1987·Granted Jul 12, 1988·9 cites·5 claims
- 1136US2006232570A1Signaling penINGENICO CANADA LTD·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →