Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11174147 | Conversion device for converting manual liquid supply device into automatic liquid supply device, and attaching plate provided to conversion device | Shinsuke Mitsuhata, Tomohiro Takahashi, Takashi Wada, Toru Tanaka | 2021-11-16 |