Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11439146 | Anti-Acanthamoeba contact lens solution | Yoshinori Yanagawa, Hiroyuki Nawase | 2022-09-13 |
| 7277036 | Digital-to-analog converting circuit | — | 2007-10-02 |
| 6940335 | Constant-voltage circuit | — | 2005-09-06 |