Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4650621 | Method of preparing heat exchange element | Masaji Kurosawa, Nobutaka Kanamori | 1987-03-17 |
| 4595403 | Heat exchange element | Masaji Kurosawa, Nobutaka Kanamori | 1986-06-17 |