Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6178765 | Air conditioner having air cleaning function | Yasumasa Hironaka | 2001-01-30 |
| 6136074 | Air conditioning apparatus with an air cleaning function and electric dust collector for use in the same | Yoshikatsu Okamoto, Yoshiaki Ikuzawa, Akinori Okazaki | 2000-10-24 |
| 6129781 | Air conditioning apparatus with an air cleaning function and electric dust collector for use in the same | Yoshikatsu Okamoto, Yoshiaki Ikuzawa, Akinori Okazaki | 2000-10-10 |
| 6092387 | Air conditioner with electric dust collector | Yasumasa Hironaka | 2000-07-25 |