Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5435140 | Vuilleumier heat pump device | Tsutomu Ishino, Yoshikatsu Hiratsuka, Masahiro Kitamoto | 1995-07-25 |
| 4737088 | Rotary compressor with oil relief passage | Satoru Fujimoto, Shigeki Hagiwara | 1988-04-12 |
| 4360043 | Component lead wire cutting equipment | Yoshinobu Maeda, Kazuhiko Narikiyo | 1982-11-23 |