Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6140723 | Vibration generating device and oral hygiene device using same | Michihisa Sugimoto, Masaharu Kita | 2000-10-31 |
| 5820373 | Cleaning device for periodontal pocket | Koichi Okano, Michihisa Sugimoto, Masaharu Kita, Takashi Morita, Tomoko Asai | 1998-10-13 |
| 5718667 | Oral hygiene instrument | Tomohisa Sugimoto, Seiji Kita | 1998-02-17 |