Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8217150 | Toxin detection method | Kanenari Ohishi, Keiichi Hiramatsu, Yasuo Nakatomi | 2012-07-10 |
| 7947808 | Toxin detection method | Kanenari Ohishi, Keiichi Hiramatsu, Yasuo Nakatomi | 2011-05-24 |
| 4619614 | Rotational coupling device for a dental handpiece having a built-in battery | Norimasa Kaneko | 1986-10-28 |
| 4578034 | Dental handpiece having an optical fiberscope | Yuichi Shibata | 1986-03-25 |