Inventor

LIU ROBERT M

US2 patents

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

MICROSCAN SYSTEMS INC

1 patent

US7213761B2May 8, 2007

Apparatus and process for two-stage decoding of high-density optical symbols

MICROSCAN SYSTEMS INC5 citations50

OMRON TATEISI ELECTRONICS CO

1 patent

US12314813B2May 27, 2025

Image modulation methods and devices using image filters, image parameters, quality scores, and grayscale clusters

OMRON TATEISI ELECTRONICS CO0 citations47