Inventor
TSUJIYA Kouichi
JP2 patents
Patents
2 patentsUS11054397B2Jul 6, 2021
Propagation time measurement machine, gas concentration measurement device, propagation time measurement program, and propagation time measurement method
JAPAN RADIO UEDA CO LTD2 citations62
US11499939B2Nov 15, 2022
Ultrasonic wave transmitter, propagation time measurement device, gas concentration measurement device, propagation time measurement program, and propagation time measurement method
JAPAN RADIO UEDA CO LTD1 citations51