P

Inventor

SHIRAIWA NORIO

JP15 patents
⚠️ This page may combine multiple inventors who share the name “SHIRAIWA NORIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SHINKO ELECTRIC IND CO

12 patents

SHIRAIWA NORIO

2 patents

NIPPON TUNGSTEN

1 patent