Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12132399 | DC power supply unit for a tattoo machine and capable of outputting square waves | — | 2024-10-29 |
| 9269964 | Composite catalyst for electrode and electrochemical cell using the same | Bing-Joe Hwang, Jing-Shan Do, Chi-Wen Lin, Jyh-Fu Lee, Shao-Kang Hu +1 more | 2016-02-23 |
| 8075644 | Catalytic liquid fuel | Bing-Joe Hwang, Jing-Shan Do, Shao-Kang Hu, Kuo-Jung Wang, Sakkarapalayam Murugesan Senthil Kumar +1 more | 2011-12-13 |
| 7893376 | Key structure with scissors-type connecting member | — | 2011-02-22 |
| 7334935 | Light positioning frame for a back light module | Wei Chen | 2008-02-26 |
| 7235752 | Illuminating membrane switch and illuminating keypad using the same | Shaw-Jong Wang, Cheng Chong Chen, Heng Bao Lai | 2007-06-26 |
| 7062994 | Ratchet wrench | — | 2006-06-20 |
| 6924447 | Waterproof structure of printed circuit board | Tien-Min Lu | 2005-08-02 |
| D484014 | Wrench handle | — | 2003-12-23 |
| 6550993 | Keyboard structure with latch sections and retaining sections | Kevin Lu | 2003-04-22 |
| 6516930 | Ratchet mechanism for tools | — | 2003-02-11 |
| 6457388 | Control member for ratchet wrench | — | 2002-10-01 |
| 6435063 | Box end wrench | — | 2002-08-20 |
| 6305247 | Ratchet wrench structure | — | 2001-10-23 |
| 6182538 | Shank structure for a wrench | — | 2001-02-06 |
| D434293 | Wrench | — | 2000-11-28 |
| D433606 | Wrench | — | 2000-11-14 |
| D420264 | Wrench | — | 2000-02-08 |
| D418381 | Wrench | — | 2000-01-04 |
| D417374 | Wrench | — | 1999-12-07 |