Issued Patents 2002
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D467530 | Electromagnetic powder brake | Kouichi Ioka, Fumio Ono | 2002-12-24 |
| D463338 | Electromagnetic powder brake | Kouichi Ioka, Fumio Ono | 2002-09-24 |
| D463339 | Electromagnetic powder clutch | Kazutoshi Muraoka, Fumio Ono | 2002-09-24 |
| D463340 | Electromagnetic powder brake | Kouichi Ioka, Fumio Ono | 2002-09-24 |
| D462641 | Electromagnetic powder brake | Kouichi Ioka, Fumio Ono | 2002-09-10 |