Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4843832 | Air conditioning system for buildings | Tetsuo Yamada, Yoshinori Inoue, Sinji Miura, Masao Endo, Tadahiro Fukunaga +1 more | 1989-07-04 |
| 4796439 | Air conditioning system | Tetsuo Yamada, Yoshinori Inoue, Sinji Miura, Masao Endo, Yashutoshi Yoshida | 1989-01-10 |