P

Inventor

KATOH YASUHIRO

JP19 patents
⚠️ This page may combine multiple inventors who share the name “KATOH YASUHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

17 patents

TOKYO TUNGSTEN KK

1 patent

SUMITOMO ELECTRIC INDUSTRIES

1 patent