P

Inventor

YAMAOKA YOSHIO

JP4 patents
⚠️ This page may combine multiple inventors who share the name “YAMAOKA YOSHIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

REAL CHEMICAL CO LTD

2 patents

TOYO BOSEKI

1 patent

TOKYO SHIBAURA ELECTRIC CO

1 patent