Inventor · disambiguated record
David W. Ngai
Also filed as: NGAI DAVID W
6 granted patents·1 pending application·1,050 citations·filing 1999–2013
88Inventor score
Top patents by PatentIndex Score
7 records- 0196US6625583B1Handheld trading system interfaceGOLDMAN SACHS & CO·Filed 1999·Granted Sep 23, 2003·430 cites·34 claims
- 0293US7610239B1Order centric tracking system and protocol for communications with handheld trading unitsGOLDMAN SACHS & CO·Filed 2005·Granted Oct 27, 2009·43 cites·6 claims
- 0393US7107240B1Order centric tracking system and protocol for communications with handheld trading unitsGOLDMAN SACHS & CO·Filed 2000·Granted Sep 12, 2006·92 cites·15 claims
- 0487US6505175B1Order centric tracking systemGOLDMAN SACHS & CO·Filed 1999·Granted Jan 7, 2003·472 cites·20 claims
- 0585US8090645B1Order centric tracking system and protocol for communications with handheld trading unitsSILVERMAN ANDREW F·Filed 2009·Granted Jan 3, 2012·12 cites·13 claims
- 0674US8533105B1Order centric tracking system and protocol for communications with handheld trading unitsSILVERMAN ANDREW F·Filed 2011·Granted Sep 10, 2013·1 cites·20 claims
- 0765US2014108224A1Order Centric Tracking System And Protocol For Communications With Handheld Trading UnitsSILVERMAN ANDREW F·Filed 2013·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when David W. Ngai files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →