P

Inventor

TOMETSUKA KOUJI

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

HITACHI INT ELECTRIC INC

8 patents

KOKUSAI ELECTRIC CO LTD

5 patents

SONY CORP

1 patent

TOMETSUKA KOUJI

1 patent