Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11499939 | Ultrasonic wave transmitter, propagation time measurement device, gas concentration measurement device, propagation time measurement program, and propagation time measurement method | Yoshifumi Shinfuku, Yasuhiro Toriyama | 2022-11-15 |
| 11054397 | Propagation time measurement machine, gas concentration measurement device, propagation time measurement program, and propagation time measurement method | Yoshifumi Shinfuku, Yasuhiro Toriyama | 2021-07-06 |