Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6872348 | Manufacturing method of air passage switching door | Masao Yasuno, Chiharu Kamiya, Hiroyuki Saito | 2005-03-29 |
| 6193600 | Air passage switching system for air conditioner | Masahiro Ito | 2001-02-27 |
| 6047951 | Air passage switching system for air conditioner | Masahiro Ito | 2000-04-11 |