Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11351507 | Method of evaluating level of cleanliness of hollow fiber membrane device, method of washing hollow fiber membrane device, and washing device for hollow fiber membrane device | Hiroshi Sugawara | 2022-06-07 |
| 11179680 | Centrifugal filtration device and method of capturing and observing fine particles in liquid using the same | Hiroshi Sugawara | 2021-11-23 |