Chang; Kuang-Hua
Patent Applications and Registrations
Patent applications and USPTO patent grants for Chang; Kuang-Hua.The latest application filed is for "eye protection device".
- Chang; Kuang-Hua - New Taipei City TW
- Chang; Kuang-Hua - Junghe TW
- CHANG; Kuang-Hua - Taipei TW
- Chang; Kuang-Hua - Junghe City TW
| Patent | Date |
|---|---|
| Eye Protection Device App 20200038246 - Chin; Ke-Shu ; et al. | 2020-02-06 |
| Color wheel Grant 7,453,657 - Chin , et al. November 18, 2 | 2008-11-18 |
| Projection System And Plastic Color Wheel Assembly Thereof App 20080225240 - CHANG; Kuang-Hua ; et al. | 2008-09-18 |
| Color Wheel Assembly App 20080170314 - Chang; Kuang-Hua ; et al. | 2008-07-17 |
| Projection System And Light Tunnel Thereof App 20080157004 - Chang; Kuang-Hua ; et al. | 2008-07-03 |
| Projection system and light tunnel thereof Grant 7,386,215 - Chang , et al. June 10, 2 | 2008-06-10 |
| Color wheel and motor thereof App 20060132947 - Chang; Kuang-Hua ; et al. | 2006-06-22 |
| Color wheel and motor for the same Grant 6,896,376 - Chin , et al. May 24, 2 | 2005-05-24 |
| Motor of color wheel Grant 6,769,775 - Chin , et al. August 3, 2 | 2004-08-03 |
| Color wheel Grant 6,754,014 - Chin , et al. June 22, 2 | 2004-06-22 |
| Color wheel and a motor for the same App 20040075819 - Chin, Ke-Shu ; et al. | 2004-04-22 |
| Color wheel and washer thereof Grant 6,705,733 - Yu , et al. March 16, 2 | 2004-03-16 |
| Color wheel and motor thereof App 20040032572 - Chin, Ke-Shu ; et al. | 2004-02-19 |
| Color wheel App 20040032540 - Chin, Ke-Shu ; et al. | 2004-02-19 |
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