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Patent applications and USPTO patent grants for Kuo; Chung-yuan.The latest application filed is for "projection zoom lens".
Patent | Date |
---|---|
Projection zoom lens Grant 7,564,632 - Kuo July 21, 2 | 2009-07-21 |
Compact zoom lens Grant 7,466,494 - Kuo December 16, 2 | 2008-12-16 |
Projection Zoom Lens App 20080285142 - Kuo; Chung-yuan | 2008-11-20 |
Compact zoom lens Grant 7,375,899 - Kuo May 20, 2 | 2008-05-20 |
Compact Zoom Lens App 20070121214 - Kuo; Chung-yuan | 2007-05-31 |
Compact Zoom Lens App 20070041102 - Kuo; Chung-Yuan | 2007-02-22 |
Projection zoom lens Grant 7,038,857 - Kuo May 2, 2 | 2006-05-02 |
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