Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6538365 | Metal member with chromate coat, spark plug with chromate coat and manufacturing methods thereof | Hiroaki Nasu, Wataru Matsutani | 2003-03-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6538365 | Metal member with chromate coat, spark plug with chromate coat and manufacturing methods thereof | Hiroaki Nasu, Wataru Matsutani | 2003-03-25 |