P

Inventor

MIYAKAWA TETSUYA

JP4 patents
⚠️ This page may combine multiple inventors who share the name “MIYAKAWA TETSUYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

IRIE AKIKO

2 patents

HITACHI LTD

1 patent

KYUSHU HASEC CO LTD

1 patent