Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4698904 | Apparatus for assembling fins and tubes for heat exchangers | Yoshio Nozawa, Izumi Ochiai, Yukio Kitayama, Masahiro Miyagi, Takahiko Deguchi +3 more | 1987-10-13 |
| 4597171 | Tube-enlarging press for use in heat exchanger fabrication | Yukio Kitayama, Izumi Ochiai, Yoshio Nozawa, Masahiro Miyagi, Tadaaki Ayabe | 1986-07-01 |
| 4566359 | Method of stacking fins of heat exchangers | Masahiro Miyagi, Yoshio Nozawa, Takahiko Deguchi | 1986-01-28 |