Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4412538 | Apparatus for refrigeration treatment | Toshima Yamauchi, Sadao Nogami, Kengi Sawada, Hiroomi Sawada, Keizou Kobayashi | 1983-11-01 |
| 4348873 | Apparatus for refrigeration treatment | Toshima Yamauchi, Sadao Nogami, Kengi Sawada, Hiroomi Sawada, Keizou Kobayashi | 1982-09-14 |
| 4292973 | Apparatus for refrigeration treatment | Toshima Yamauchi, Sadao Nogami, Kengi Sawada, Hiroomi Sawada, Keizou Kobayashi | 1981-10-06 |