Chang; Heng-Hsiang
Patent Applications and Registrations
Patent applications and USPTO patent grants for Chang; Heng-Hsiang.The latest application filed is for "light guide device and illumination module using the same".
- Chang; Heng-Hsiang - Taichung TW
- Chang; Heng-Hsiang - Tainan TW
- Chang; Heng Hsiang - Hsinchu TW
| Patent | Date |
|---|---|
| Light guide device and illumination module using the same Grant 7,973,983 - Lin , et al. July 5, 2 | 2011-07-05 |
| Scanning device with a fastening unit for fastening a sensing unit to a scanner body Grant 7,826,107 - Chang , et al. November 2, 2 | 2010-11-02 |
| Duplex document feeder Grant 7,764,920 - Lin , et al. July 27, 2 | 2010-07-27 |
| Linear guiding apparatus Grant 7,486,423 - Chang , et al. February 3, 2 | 2009-02-03 |
| Light Guide Device And Illumination Module Using The Same App 20080291514 - Lin; Hsien-Chi ; et al. | 2008-11-27 |
| Duplex document feeder App 20080085141 - Lin; Hsien-Chi ; et al. | 2008-04-10 |
| Scanning module App 20080084625 - Lin; Hsien-Chi ; et al. | 2008-04-10 |
| Scanning device with a fastening unit for fastening a sensing unit to a scanner body App 20080002238 - Chang; Heng-Hsiang ; et al. | 2008-01-03 |
| Linear guiding apparatus App 20060291011 - Chang; Heng-Hsiang ; et al. | 2006-12-28 |
| Linear guiding apparatus Grant 7,154,643 - Chang , et al. December 26, 2 | 2006-12-26 |
| Large-scale display device App 20060170614 - Tzong; Ruey-Yau ; et al. | 2006-08-03 |
| Linear guiding apparatus App 20040055411 - Chang, Heng-Hsiang ; et al. | 2004-03-25 |
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