TI

Tadashi Ikawa

TC Tokyo Keiso Co.: 2 patents #4 of 24Top 20%
Overall (All Time): #2,237,420 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6055868 Ultrasonic flow meter Kiyoshi Koyano, Yoshiko Usui, Tokio Sugi 2000-05-02
5974897 Ultrasonic flow meter Kiyoshi Koyano, Yoshiko Usui, Tokio Sugi 1999-11-02