Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870893 | Wobble plate type compressor with a drive shaft attached to a cam rotor at an inclincation angle | Hideharu Hatakeyama, Shuzo Kumagai | 1989-10-03 |
| 4870894 | Wobble plate type compressor with a drive shaft attached to a cam rotor at an inclination angle | Hiroshi Toyoda, Shigemi Shimizu, Hideharu Hatakeyama, Shuzo Kumagai | 1989-10-03 |
| 4869154 | Wobble plate type compressor with a drive shaft attached to a cam rotor at an inclination angle | Kiyoshi Terauchi, Hideharu Hatakeyama, Shuzo Kumagai | 1989-09-26 |