P

Inventor

YANAGI KIYOTAKA

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

MITSUI MINING & SMELTING CO

3 patents

MITSUI MINING AND SMELTING COM

1 patent