Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6926881 | Process for producing hydrogen-containing gas | Shigeyuki Hirose, Futoshi Ikoma, Masayuki Katagiri, Yasushi Hiramatsu, Mikio Yoneoka | 2005-08-09 |
| 6548034 | Process for reducing concentration of carbon monoxide in hydrogen-containing gas | Yasushi Hiramatsu | 2003-04-15 |