Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5632149 | Heat exchanger for a gas compression/expansion apparatus and a method of manufacturing thereof | Naohide Tanigawa, Takashi Morita, Kazuo Ikegami, Kenichi Sato | 1997-05-27 |