Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4698904 | Apparatus for assembling fins and tubes for heat exchangers | Yoshio Nozawa, Izumi Ochiai, Yukio Kitayama, Masahiro Miyagi, Katsuharu Uehara +3 more | 1987-10-13 |
| 4566359 | Method of stacking fins of heat exchangers | Masahiro Miyagi, Katsuharu Uehara, Yoshio Nozawa | 1986-01-28 |