Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5363705 | Vortex generator having a protrusion formed at an upstream surface | Yuichi Nakao, Naoki Matsubara | 1994-11-15 |
| 5193399 | Vortex flowmeter | Hideo Kumano, Hideo Murakami | 1993-03-16 |
| 4977781 | Vortex flow meter | Koji Atsumi | 1990-12-18 |
| 4970902 | Karman's vortex flow meter | Yoshiaki Asayama | 1990-11-20 |
| 4891989 | Vortex flow meter | Koji Atsumi | 1990-01-09 |
| 4838092 | Vortex flow meter | Koji Atsumi | 1989-06-13 |
| 4683760 | Vortex flow meter | — | 1987-08-04 |