Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11662294 | Fan filter unit and HEPA filter performance measurement method | Takeshi Kaneko, Hirotoshi Sato, Toshihiko Suwa, Makoto Yokoyama, Takeshi Matsumura | 2023-05-30 |
| 4583683 | Air conditioning system utilizing a Karman vortex detecting type flowmeter | — | 1986-04-22 |
| 4567776 | Fluid flowmeter of Karman vortex detecting type | — | 1986-02-04 |