Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9005529 | Ion generating apparatus and air purifying apparatus | Ichiro Yoshimura, Hiromu Nishida | 2015-04-14 |
| 8934212 | Ion generating apparatus and air cleaner | Ichirou Yoshimura | 2015-01-13 |
| 8500106 | Humidifier, filter unit and rotation drive structure | Yoshihiko Matsubara, Naoyukl Shigemoto, Hiroshi Kitagaito | 2013-08-06 |
| 8382073 | Humidifier, filter unit and rotation drive structure | Yoshihiko Matsubara, Naoyuki Shigemoto, Hiroshi Kitagaito | 2013-02-26 |