Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5351490 | Piston/displacer support means for a cryogenic refrigerator | Tatsuru Ohishi, Kazuki Niitsu, Hiroyuki Kiyota, Nobuo Fujii, Takeshi Miyazawa | 1994-10-04 |
| 5113662 | Cryogenic refrigerator | Nobuo Fujii, Hiroyuki Kiyota, Takeshi Miyazawa | 1992-05-19 |
| 5088288 | Refrigerator | Takeshi Miyazawa, Hiroyuki Kiyota, Nobuo Fujii | 1992-02-18 |