Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6752203 | Cooling and heating system and air circulation panel | — | 2004-06-22 |
| 6043455 | Floor heating system and floor-heating device and hollow connecting member | — | 2000-03-28 |
| 6018138 | Floor-heating method and radiating pipe for use in floor heating | — | 2000-01-25 |
| 4809953 | Belt tightener | Masaaki Kokabu, Katsunori Uemoto | 1989-03-07 |