P

Inventor

OGA TOSHIKAZU

JP5 patents
⚠️ This page may combine multiple inventors who share the name “OGA TOSHIKAZU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TOYO KASEI KOGYO CO LTD

3 patents

TOYO BOSEKI

1 patent

YAMAICHI METAL CO LTD

1 patent