P

Inventor

CHAO YEN-YAU H

US7 patents
⚠️ This page may combine multiple inventors who share the name “CHAO YEN-YAU H”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ROHM & HAAS

5 patents

ALLIED FOAM TECH CORP

1 patent

(unassigned)

1 patent