Inventor

CHANG YAU-ZEN

TW2 patents

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

LI SHIH-TSENG

1 patent

US8298245B2Oct 30, 2012

Three-dimensional positioning device for minimally invasive surgery

LI SHIH-TSENG45 citations82

LEE SHIH-TSENG

1 patent

US8229167B2Jul 24, 2012

Optical tracking device and positioning method thereof

LEE SHIH-TSENG2 citations55