Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9333378 | Air cleaning apparatus and method for predicting breakthrough time for the same | Shingo Ishikawa, Gaku Sasaki, Takeshi Honda | 2016-05-10 |
| 9050478 | Supply valve for air respirator | — | 2015-06-09 |