Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5992512 | Heat exchanger tube and method for manufacturing the same | Koutaro Tsuri, Hideaki Kameoka, Takeshi Nishizawa, Masanori Ozaki | 1999-11-30 |
| 5573062 | Heat transfer tube for absorption refrigerating machine | Kazuhiko Ooba, Tatsuo Yoshisue, Takeshi Nishizawa | 1996-11-12 |