Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6140723 | Vibration generating device and oral hygiene device using same | Tsuguo Matsui, Masaharu Kita | 2000-10-31 |
| 5820373 | Cleaning device for periodontal pocket | Koichi Okano, Tsuguo Matsui, Masaharu Kita, Takashi Morita, Tomoko Asai | 1998-10-13 |