Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5313843 | Karman vortex flow meter | Michihiko Tsuruoka, Wataru Nakagawa, Osamu Kashimura, Hiromi Suzawa | 1994-05-24 |
| 5197336 | Karman vortex flow meter | Michihiko Tsuruoka, Wataru Nakagawa, Osamu Kashimura | 1993-03-30 |
| 4991153 | Vibration type transducer | Michihiko Tsuruoka, Wataru Nakagama | 1991-02-05 |
| 4961345 | Vibration type transducer | Michihiko Tsuruoka, Wataru Nakagawa, Masashi Machida | 1990-10-09 |