P

Inventor

KUMAGAI NAOKAZU

JP12 patents
⚠️ This page may combine multiple inventors who share the name “KUMAGAI NAOKAZU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DAIKI ENGINEERING CO

5 patents

HITACHI SHIPBUILDING ENG CO

3 patents

DAIKI ATAKA ENGINEERING CO LTD

2 patents

HASHIMOTO KOJI

2 patents