Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11649810 | Oil suction pump | — | 2023-05-16 |
| 11624314 | Combustion chamber valve and fuel system for driven fastener hand tool | Raymond Wong, Shih-Yi Chen | 2023-04-11 |
| 11554471 | Elastomeric exhaust reed valve for combustion driven fastener hand tool | Raymond Wong, Shih-Yi Chen | 2023-01-17 |
| 11271471 | Power converter controller having a short-circuit protection threshold voltage no higher than an over-current protection threshold voltage | Shu-Chia Lin, Chih-Liang Wang, Kuo-Jung Wu | 2022-03-08 |
| 10780567 | Accessory attachment for driven fastener hand tool | Raymond Wong, Shih-Yi Chen | 2020-09-22 |
| 10780594 | Staggered multilayer trimming head applied in an electric haircutter | — | 2020-09-22 |
| 10759031 | Support for elastomeric disc valve in combustion driven fastener hand tool | Raymond Wong, Shih-Yi Chen | 2020-09-01 |
| 10618153 | Fuel system for a combustion driven fastener hand tool | Raymond Wong, Shih-Yi Chen | 2020-04-14 |
| 9950414 | Combustion driven fastener hand tool | Raymond Wong, Shih-Yi Chen | 2018-04-24 |
| 9862083 | Vacuum piston retention for a combustion driven fastener hand tool | Raymond Wong, Shih-Yi Chen | 2018-01-09 |
| 9795588 | Mammalian TOR inhibitor | Yann-Lii LEU, Shu-Huei Wang | 2017-10-24 |
| 9561950 | Oil supply unit | — | 2017-02-07 |
| 9073225 | Hair trimming device | Yu-Hsia Yang, Hung-Chieh Chen, Cheng-I Chen, Cheng-Hsiang Chen | 2015-07-07 |
| 9055831 | Bowl having arrangement for adjustably fastening a magnet | — | 2015-06-16 |
| 8684745 | Hand-held personal planetarium | Yan Liu, Dar-Tson SHEN | 2014-04-01 |
| D669738 | Bowl | — | 2012-10-30 |
| 7301698 | Method for automatically aligning telescope | Yan Liu | 2007-11-27 |
| 6972902 | Telescope system having auto-tracking altitude-azimuthal mount and methods for calibrating same | Yan Liu | 2005-12-06 |
| 5909929 | Supporting bracket for a middle cutter of a shaver | — | 1999-06-08 |
| 5724688 | Multipurpose tool | — | 1998-03-10 |
| 5497522 | Combination tool | — | 1996-03-12 |
| 5462662 | Oil filter structure | — | 1995-10-31 |