Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6468320 | Filter unit and filter | Tatsuaki Sumitani, Tomomi Takahashi, Masao Ieno | 2002-10-22 |
| 6388548 | Non-contact transformer and vehicular signal relay apparatus using it | Hideki Masudaya | 2002-05-14 |