Inventor

CHU KING SUM

CN6 patents

⚠️ This page may combine multiple inventors who share the name “CHU KING SUM”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LIGHTPATH TECH INC

2 patents

US6765503B1Jul 20, 2004

Backlighting for computer keyboard

LIGHTPATH TECH INC85 citations95

US6871978B2Mar 29, 2005

Computer keyboard backlighting

LIGHTPATH TECH INC27 citations90

CHAN ERIC K D

2 patents

US7068516B2Jun 27, 2006

Enclosure with pre-formed interchangeable panels

CHAN ERIC K D20 citations87

US7378600B2May 27, 2008

Electronic circuit prototyping composite support

CHAN ERIC K D9 citations79

QUESTECH INTERNATIONAL INC

1 patent

US6322229B1Nov 27, 2001

Backlighting for computer keyboard

QUESTECH INTERNATIONAL INC94 citations93

FIREFLY INTERNATIONAL INC

1 patent

US7335843B2Feb 26, 2008

Computer keyboard backlighting

FIREFLY INTERNATIONAL INC21 citations83