Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5806173 | Tube expander | Yoshihiro Baba | 1998-09-15 |
| 5426847 | Assembling apparatus for a heat exchanger | Masahide Sakaguchi | 1995-06-27 |
| 5349841 | Feeding apparatus for metal belting and manufacturing apparatus for fins of a heat exchanger | Masahide Sakaguchi, Toshiki Miyazawa | 1994-09-27 |
| 5040405 | Tube expander | Masahide Sakaguchi | 1991-08-20 |