Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11209361 | Optical density measuring apparatus and optical waveguide | Tatsushi YAGI | 2021-12-28 |
| 11094687 | Temperature characteristic adjustment circuit | Yuukou Tsushima | 2021-08-17 |
| 10928318 | Optical waveguide and optical concentration measuring apparatus | Tatsushi YAGI, Takaaki FURUYA | 2021-02-23 |