Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5784899 | Argon separation method and apparatus therefor | Toshiyuki Nojima, Hideyuki Honda | 1998-07-28 |
| 5222549 | Condenser/evaporator | Hiroshi Ishii, Hiroo Tsuchiya, Teruji Kaneko, Ikuo Fujita, Yoshitoyo Ohkubo +1 more | 1993-06-29 |