Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8732948 | Method of manufacturing impeller for centrifugal blower | — | 2014-05-27 |
| 8092181 | Resin cross flow fan and manufacturing method thereof | — | 2012-01-10 |
| 8007240 | Impeller of centrifugal fan and centrifugal fan disposed with the impeller | Tsunehisa Sanagi, Azumi Terakawa | 2011-08-30 |
| 7422247 | Branch tee fitting | — | 2008-09-09 |