P

Inventor

YAMAOKA IKURO

JP8 patents
⚠️ This page may combine multiple inventors who share the name “YAMAOKA IKURO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIPPON STEEL CORP

4 patents

NIPPON STEEL & SUMITOMO METAL CORP

2 patents

DAINIPPON INK & CHEMICALS

1 patent

YAMAOKA IKURO

1 patent