Inventor · disambiguated record
Thomas Lai Wai Ma
Also filed as: MA THOMAS L W · MA THOMAS LAI WAI
5 granted patents·1 pending application·157 citations·filing 1996–2007
83Inventor score
Top patents by PatentIndex Score
6 records- 0189US6603795B2Power control system for AC electric arc furnaceHATCH ASS LTD·Filed 2001·Granted Aug 5, 2003·55 cites·29 claims
- 0284US7212561B2System and method for controlling electrical power across multiple furnaces using variable reactorsHATCH LTD·Filed 2005·Granted May 1, 2007·7 cites·35 claims
- 0381US7257146B2System and method for controlling power across multiple electrodes in a furnaceHATCH LTD·Filed 2005·Granted Aug 14, 2007·5 cites·38 claims
- 0481US6573691B2Control system and method for voltage stabilization in electric power systemHATCH ASS LTD·Filed 2001·Granted Jun 3, 2003·76 cites·38 claims
- 0570US5867523AElectric furnace with conductive hearthHATCH ASS LTD·Filed 1996·Granted Feb 2, 1999·14 cites·15 claims
- 0655US2008013590A1System and method for controlling power across multiple electrodes in a furnaceHATCH LTD·Filed 2007·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Thomas Lai Wai Ma 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 →