P

Inventor

OKAMOTO ROKURO

JP20 patents
⚠️ This page may combine multiple inventors who share the name “OKAMOTO ROKURO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SANRAKU INC

8 patents

MERCIAN CORP

6 patents

SANRAKU OCEAN CO

4 patents

SANRAKU OCEAN CO INC

2 patents