Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12260757 | Bidirectional interactive traffic-control management system | Jun-Shian Lee, Hsin-Chia Lin, Chih-Che Su, Yi-Dar Lin, I-Ying Chen | 2025-03-25 |
| 10026290 | Bluetooth beacon system for industrial machine safety | Anton T. Dahbura, Sunyan Lee | 2018-07-17 |
| 8651199 | Automatic transmission for a power tool | — | 2014-02-18 |
| 8303449 | Automatic transmission for a power tool | Ka Ki Chan, Wing Fung Yip | 2012-11-06 |
| 8172004 | Automatic transmission for a power tool | — | 2012-05-08 |
| 7513845 | Variable speed transmission for a power tool | — | 2009-04-07 |