P

Inventor

ISHIKAWA MISAO

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

NIPPON KOKAN KK

2 patents

ASAHI OPTICAL CO LTD

1 patent

HITACHI LTD

1 patent