Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11493241 | Method of controlling heat exchange device, heat exchange device, and water-cooled type heat pump device | — | 2022-11-08 |
| 11278212 | Intracranial pressure estimating method and intracranial pressure estimating device | Norio Koike, Jun Nakano, Yukio Sai, Kenji Furihata, Tetsuya Goto +1 more | 2022-03-22 |
| 10871310 | Underground heat exchanger | — | 2020-12-22 |
| 5762447 | Method and apparatus of continuously measuring heat quantity need to melt snow lying on road and prevent freezing of road | Kunio Hachiki, Junichi Yamazaki, Tadayuki Yamada, Masaaki Hagiwara | 1998-06-09 |