Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8356983 | Airflow control for variable speed blowers | Otaki Shizuo | 2013-01-22 |
| 8251671 | Apparatus for controlling an air distribution system | Otaki Shizuo, Chee Pang Teng | 2012-08-28 |