Cheng; Hsiang-Wen
Patent Applications and Registrations
Patent applications and USPTO patent grants for Cheng; Hsiang-Wen.The latest application filed is for "keyboard key structure that generates an operation sound".
- Cheng; Hsiang-Wen - Taipei TW
| Patent | Date |
|---|---|
| Keyboard Key Structure That Generates An Operation Sound App 20200185169 - Tsai; Sheng-An ; et al. | 2020-06-11 |
| Keyboard key structure that generates an operation sound Grant 10,658,135 - Tsai , et al. | 2020-05-19 |
| Key structure Grant 10,658,137 - Tsai , et al. | 2020-05-19 |
| Keyboard Device App 20190378667 - LING; YU-TING ; et al. | 2019-12-12 |
| Key structure Grant 10,490,369 - Tsai , et al. Nov | 2019-11-26 |
| Keyboard structure Grant 10,276,328 - Cheng , et al. | 2019-04-30 |
| Key Structure App 20190088426 - TSAI; SHENG-AN ; et al. | 2019-03-21 |
| Key structure Grant 10,236,141 - Tsai , et al. | 2019-03-19 |
| Keyboard App 20190013160 - Cheng; Hsiang-Wen ; et al. | 2019-01-10 |
| Key structure with scissors-type connecting member Grant 8,581,127 - Jhuang , et al. November 12, 2 | 2013-11-12 |
| Keyboard Device With Luminous Key App 20130161170 - Fan; Shu-Jian ; et al. | 2013-06-27 |
| Key Structure With Scissors-type Connecting Member App 20120312670 - Jhuang; Chuang-Shu ; et al. | 2012-12-13 |
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