Inventor · disambiguated record
King Sum Chu
Also filed as: CHU KING S · CHU KING SUM
6 granted patents·3 pending applications·256 citations·filing 1999–2007
86Inventor score
Files withCHAN ERIC K D2CHAN SAM E J2LIGHTPATH TECH INC2FIREFLY INTERNATIONAL INC1QUESTECH INTERNATIONAL INC1
Top patents by PatentIndex Score
9 records- 0190US6322229B1Backlighting for computer keyboardQUESTECH INTERNATIONAL INC·Filed 1999·Granted Nov 27, 2001·94 cites·30 claims
- 0289US6765503B1Backlighting for computer keyboardLIGHTPATH TECH INC·Filed 1999·Granted Jul 20, 2004·85 cites·37 claims
- 0382US6871978B2Computer keyboard backlightingLIGHTPATH TECH INC·Filed 2001·Granted Mar 29, 2005·27 cites·80 claims
- 0480US7335843B2Computer keyboard backlightingFIREFLY INTERNATIONAL INC·Filed 2005·Granted Feb 26, 2008·21 cites·4 claims
- 0578US7378600B2Electronic circuit prototyping composite supportCHAN ERIC K D·Filed 2005·Granted May 27, 2008·9 cites·8 claims
- 0674US7068516B2Enclosure with pre-formed interchangeable panelsCHAN ERIC K D·Filed 2004·Granted Jun 27, 2006·20 cites·14 claims
- 0742US2008212307A1Computer keyboard backlightingCHAN SAM E J·Filed 2007·Application pending·0 cites
- 0836US2005083214A1Backlighting for computer keyboardFiled 2004·Application pending·0 cites
- 0935US2009091478A1Computer keyboard backlightingCHAN SAM E J·Filed 2007·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →