Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12123759 | Ultrasonic flowmeter | Masaki Sugiyama, Naoto Naganuma | 2024-10-22 |
| D989649 | Flow meter | Masaki Sugiyama, Naoto Naganuma | 2023-06-20 |
| D989650 | Flow meter | Masaki Sugiyama, Naoto Naganuma | 2023-06-20 |