Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4613285 | Piston stroke control device for free piston type oscillating compressors | Eiji Sato, Masaharu Ishii, Mitsuru Nakamura, Yozo Nakamura | 1986-09-23 |
| 4520634 | Multi-stage absorption refrigeration system | Tomihisa Oouchi, Sampei Usui, Akira Nishiguchi | 1985-06-04 |