Cheng; Wen-Chin
Patent Applications and Registrations
Patent applications and USPTO patent grants for Cheng; Wen-Chin.The latest application filed is for "connective unit to connect a roller with a seat's leg".
- Cheng; Wen-Chin - New Taipei City TW
- Cheng; Wen-Chin - Taipei TW
- Cheng; Wen-Chin - Hsinchu County N/A TW
- Cheng; Wen-Chin - Hsinchu City TW
- Cheng; Wen-Chin - Jhubei City TW
- Cheng; Wen-Chin - Hsinchu TW
- Cheng; Wen-Chin - Miaoli TW
| Patent | Date |
|---|---|
| Connective Unit To Connect A Roller With A Seat's Leg App 20180257431 - Cheng; Wen-Chin | 2018-09-13 |
| Wheel device Grant 9,340,069 - Cheng May 17, 2 | 2016-05-17 |
| System and method for controlling electrical power of LED and LED projector having the same Grant 8,492,999 - Cheng July 23, 2 | 2013-07-23 |
| Plasma System with Injection Device App 20110100556 - Liu; Chi-Hung ; et al. | 2011-05-05 |
| System And Method For Controlling Electrical Power Of Led And Led Projector Having The Same App 20110074314 - Cheng; Wen-Chin | 2011-03-31 |
| Projector Having Brightness-adjusting Module And Method For Adjusting Brightness For The Same App 20070171386 - Cheng; Wen Chin ; et al. | 2007-07-26 |
| Digital presenter App 20070046626 - Cheng; Wen-Chin | 2007-03-01 |
| Chip supplying apparatus performing stable blue-film-expansion operation Grant 6,132,161 - Shih , et al. October 17, 2 | 2000-10-17 |
| Apparatus for converting and scaling non-interlaced VGA signal to interlaced TV signal Grant 5,912,711 - Lin , et al. June 15, 1 | 1999-06-15 |
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