Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5827339 | Apparatus for generating chemical-free dry air | Hitoshi Nagafune, Takaaki Fukumoto, Koji Ezaki | 1998-10-27 |
| 5752985 | Clean room having an air conditioning system | Hitoshi Nagafune, Takaaki Fukumoto, Koji Ezaki | 1998-05-19 |