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Patent applications and USPTO patent grants for Li; Yung-Yi.The latest application filed is for "image output device for improving image resolution and tone expression".
Patent | Date |
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Image output device for improving image resolution and tone expression Grant 6,705,699 - Du , et al. March 16, 2 | 2004-03-16 |
Method of performing printhead maintenance Grant 6,679,577 - Du , et al. January 20, 2 | 2004-01-20 |
Image output device for improving image resolution and tone expression App 20020163557 - Du, Ben-Chuan ;   et al. | 2002-11-07 |
Ink Ribbon Positioning System Of A Color Printer App 20020158957 - Sung, Li-Fu ;   et al. | 2002-10-31 |
Method of performing printhead maintenance App 20020149641 - Du, Ben-Chuan ;   et al. | 2002-10-17 |
Printing Device With Optimized Print Head Positioning Logic App 20020080201 - Li, Yung-Yi ;   et al. | 2002-06-27 |
Error detection and correction for printer positioning logic Grant 6,371,593 - Li , et al. April 16, 2 | 2002-04-16 |
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