Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5018367 | Cooling energy generator with cooling energy accumulator | Akira Yamada, Yasuo Koseki, Hideaki Kurokawa, Katsuya Ebara, Sankichi Takahashi +2 more | 1991-05-28 |
| 4986079 | Apparatus and method of generating coldness | Yasuo Koseki, Akira Yamada, Hideaki Kurokawa, Katsuya Ebara, Sankichi Takahashi | 1991-01-22 |