Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7424097 | Method of measuring and improving xDSL transmission characteristic | Minoru Sudo | 2008-09-09 |
| 4971000 | Camshaft driving arrangement for double overhead camshaft engine | Yoshio Iwasa | 1990-11-20 |