P

Inventor

ARAKAWA HIDEO

JP43 patents
⚠️ This page may combine multiple inventors who share the name “ARAKAWA HIDEO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

15 patents

K LTD AG

7 patents

ARAKAWA CO LTD

6 patents

AICHI STEEL CORP

6 patents

TOYODA CHUO KENKYUSHO KK

5 patents

(unassigned)

1 patent

JAPAN ENG CO LTD

1 patent

AICHI STEEL WORKS LTD

1 patent

DAIDO STEEL CO LTD

1 patent