Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4462136 | Dental implement for removing plaque and massaging gums | Shunichi Nakao, Churyo Suzuki | 1984-07-31 |
| 4384852 | Dental root canal-treating appliance | Fumio Tanaka, Churyo Suzuki | 1983-05-24 |