P

Inventor

OGAWA KOUJI

JP19 patents
⚠️ This page may combine multiple inventors who share the name “OGAWA KOUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SONY CORP

5 patents

GOGOU CO LTD

3 patents

GOGOH CO LTD

3 patents

OGAWA KOUJI

2 patents

NGK SPARK PLUG CO

2 patents

TOKYO YOGYO KK

1 patent

SONY GROUP CORP

1 patent

JEOL LTD

1 patent

ITO NOBUHITO

1 patent