Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5346536 | Process for separating nitrogen gas | Isao Kaneshige, Tsuneo Genba, Takeshi Tamaru | 1994-09-13 |
| 4925461 | Process for separating nitrogen gas by pressure swing adsorption system | Tsuneo Gemba, Takeshi Tamaru | 1990-05-15 |