Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6784919 | Oral cavity image pickup apparatus | Shinji Uchida | 2004-08-31 |
| 6685471 | Tooth brushing device with video scope | Taturou Kawamura, Hiroshi Nakayama | 2004-02-03 |
| 6674462 | Videoscope and its display unit | Hiroshi Atsuta | 2004-01-06 |