Assignee
POON ALEX
US·3 granted patents·84 citations·filing 2002–2012
Top patents by PatentIndex Score
3 records- 0195US8237911B2Apparatus and methods for keeping immersion fluid adjacent to an optical assembly during wafer exchange in an immersion lithography machinePOON ALEX·Filed 2007·Granted Aug 7, 2012·34 cites·34 claims
- 0294US8400610B2Apparatus and methods for keeping immersion fluid adjacent to an optical assembly during wafer exchange in an immersion lithography machinePOON ALEX·Filed 2012·Granted Mar 19, 2013·32 cites·16 claims
- 0380US8275673B1Method and system to recommend further items to a user of a network-based transaction facility upon unsuccessful transacting with respect to an itemPOON ALEX·Filed 2002·Granted Sep 25, 2012·18 cites·19 claims
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