Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6428153 | Ink pressure adjustment device for inkjet pen | Cheng-Wei Hsu, Shyh-Haur Su, I-Chung Hou, Chieh-Wen Wang | 2002-08-06 |
| 6402286 | Function test device for optical print head heaters in thermal bubble printers | Hung-Lieh Hu, Chieh-Wen Wang, Jhih-Ping Lu, Charles Chang | 2002-06-11 |
| 6378978 | Chip structure of inkjet printhead and method of estimating working life through detection of defects | Charles Chang, Chieh-Wen Wang, Ming-Ling Lee, Jhih-Ping Lu, Chen-Yue Cheng | 2002-04-30 |
| 6367666 | Ink container with fixed pressure modulating mechanism | I-Chung Hou, Cheng-Wei Hsu | 2002-04-09 |