Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6661633 | Protective element | Norikazu Iwasaki, Hisaya Tamura | 2003-12-09 |
| 6656304 | Method for manufacturing a PTC element | Norikazu Iwasaki | 2003-12-02 |
| 6556403 | Protective element | Norikazu Iwasaki | 2003-04-29 |