Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D820702 | Folding carbonic acid concentration measuring instrument | Hideyuki Amamiya, Mitsunori Shinbo | 2018-06-19 |
| D820703 | Folding carbonic acid concentration measuring instrument | Hideyuki Amamiya, Mitsunori Shinbo | 2018-06-19 |