Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9050563 | Filtering device and method of manufacturing same | — | 2015-06-09 |
| 5360722 | Method and apparatus for determining air borne bacteria | Masaru Kawahashi, Hisao Kinoshita, Kenji Mochida | 1994-11-01 |