Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6660240 | Gas processing agent and manufacturing method therefor, gas purification method, gas purifier and gas purification apparatus | Sakurai Toshihiko, Yusuke Nakaya, Masato Kawai, Morimitsu Nakamura | 2003-12-09 |
| 6048509 | Gas purifying process and gas purifying apparatus | Masato Kawai, Morimitsu Nakamura | 2000-04-11 |