Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4342547 | Rotary vane compressor with valve control of oil to bias the vanes | Yoshiyuki Morikawa, Katuharu Fujio, Koichi Yoshihiro, Toshio Matsuda, Tatsuhisa Taguchi | 1982-08-03 |
| 4267064 | Refrigeration lubricating oil compositions | Umekichi Sasaki, Masaaki Tsunemi, Yoshiyuki Morikawa | 1981-05-12 |