Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5161739 | Multi-type air heating apparatus utilizing phase variation of heating medium | Kazuo Saito, Katuyoshi Kumazawa, Fusao Hirasawa, Tetsuo Sano, Hideto Kuyama | 1992-11-10 |