Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9305452 | Battery over-charge and over-discharge protection system and battery protection method able to release a protection state | Hsiang-Sheng Kung, Wei-Ting Yen | 2016-04-05 |
| 8667610 | Portable computer and charging method thereof | Wei-Ting Yen, Cheng-Lu Lin | 2014-03-04 |
| 8564448 | Portable computer system | Wei-Ting Yen | 2013-10-22 |
| 5379885 | Rotary tool carrier assembly | — | 1995-01-10 |
| D332868 | Portable tool case | — | 1993-02-02 |
| D331498 | Combined belt attached holder for screwdriver bits and handle | — | 1992-12-08 |
| D321788 | Tool box | — | 1991-11-26 |
| D319578 | Container for tools | — | 1991-09-03 |
| 4820090 | Multipurpose handle grip for holding electric tools | — | 1989-04-11 |