Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8075262 | Centrifugal type blower | Chie Watanabe | 2011-12-13 |
| 8011891 | Centrifugal multiblade fan | Toshinori Ochiai, Masaharu Sakai | 2011-09-06 |
| 7972110 | Centrifugal blower | Masaharu Sakai, Toshinori Ochiai, Yasushi Mitsuishi | 2011-07-05 |