Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7300497 | Gas separating method | Tatsushi Urakami, Masato Kawai, Akihiro Nakamura | 2007-11-27 |
| 6923844 | Gas separation method and device | Tatsushi Urakami, Masato Kawai, Akihiro Nakamura | 2005-08-02 |
| 6752851 | Gas separating and purifying method and its apparatus | Masato Kawai, Akihiro Nakamura, Shigeru Hayashida | 2004-06-22 |