Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7597858 | Process and apparatus for treating waste anesthetic gas | Masatoshi Hotta, Masakazu Oka, Hitoshi Atobe, Shigehiro Chaen | 2009-10-06 |
| 7235222 | Process for treating waste anesthetic gas | Masatoshi Hotta, Masakazu Oka, Hitoshi Atobe, Shigehiro Chaen | 2007-06-26 |
| 6846471 | Catalyst for decomposing nitrous oxide, process for producing the same and method for decomposing nitrous oxide | Masatoshi Hotta, Masakazu Oka, Hitoshi Atobe, Shigehiro Chaen | 2005-01-25 |
| 6649082 | Harm-removing agent and method for rendering halogen-containing gas harmless and uses thereof | Yuji Hayasaka, Hitoshi Atobe | 2003-11-18 |