Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6460349 | Rotary valve unit in a pulse tube refrigerator | Shin Kawano, Shinji Katsuragawa, Tatsuo Inoue | 2002-10-08 |
| 6434947 | Pulse tube refrigerator | Shaowei Zhu, Shin Kawano, Tatsuo Inoue | 2002-08-20 |