Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11525812 | Gas concentration measuring device and method of calibrating same | Osamu Sakaguchi, Isao Ito, Katsuyuki Matsubayashi | 2022-12-13 |
| 11499939 | Ultrasonic wave transmitter, propagation time measurement device, gas concentration measurement device, propagation time measurement program, and propagation time measurement method | Kouichi Tsujiya, Yoshifumi Shinfuku | 2022-11-15 |