Inventor
LUTIAN JOHN M
US4 patents
⚠️ This page may combine multiple inventors who share the name “LUTIAN JOHN M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MICROSOFT CORP
3 patentsUS6741189B1May 25, 2004
Keypad having optical waveguides
MICROSOFT CORP119 citations93
US7292232B2Nov 6, 2007
Data input devices and methods for detecting movement of a tracking surface by a laser speckle pattern
MICROSOFT CORP33 citations91
US6224279B1May 1, 2001
Keyboard having integrally molded keyswitch base
MICROSOFT CORP22 citations88