Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8284071 | Door assembly including a touch sensitive portion for controlling automated door movement | Pei-Yuan Peng, Atsushi Yamada, Takashi Saiki | 2012-10-09 |
| 4848519 | Structural support for hydraulic elevator car | Richard J. Ericson | 1989-07-18 |