Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11723495 | Rolled product feed system | Richard P. Lewis, Wan-Chih Lin, Ming-Chung Chung, Chih-An Chen, Wan Liang +4 more | 2023-08-15 |
| 7769331 | Fuser assembly for an electrophotographic device | Cheng-Wen Tsai, Chung-Yi Cheng, Ming-Chun Hsu, Yu-Jen Su | 2010-08-03 |
| 7616358 | Double-side scan device with movable image scan module | Yu-Jen Su, Hsun-Hao Chan, Shu-Ya Chiang, Liang Su, Kai-Lun Lee | 2009-11-10 |
| 6910763 | Ink storage unit | Cheng-Wei Hsu | 2005-06-28 |
| 6817706 | Ink storage unit | Cheng-Wei Hsu | 2004-11-16 |
| 6761442 | Ink container with improved ink flow | Cheng-Wei Hsu | 2004-07-13 |
| 6722763 | Inkjet pen and pressure control device thereof | Cheng-Wei Hsu, Bo-Hsiang Wang | 2004-04-20 |
| 6698872 | Ink cartridge for preventing ink from spilling | Chieh-Wen Wang | 2004-03-02 |
| 6616272 | Pressure control device | Cheng-Wei Hsu | 2003-09-09 |
| 6607265 | Ink print head with low flow resistance central refilling | Chieh-Wen Wang, Yi-Hsuan Lai, Chen-Yu Cheng | 2003-08-19 |
| 6540341 | Pressure controller for an ink cartridge | Shu-Cheng Hsieh, Shyh-Haur Su, Cheng-Wei Hsu, Chin-Tai Chen, Chieh-Wen Wang | 2003-04-01 |
| 6533403 | Ink reservoir with a pressure adjusting device | Cheng-Wei Hsu | 2003-03-18 |
| 6527382 | Ink container with improved ink flow | Cheng-Wei Hsu | 2003-03-04 |
| 6494568 | Ink cartridge with a pressure adjusting device | Cheng-Wei Hsu | 2002-12-17 |
| 6428153 | Ink pressure adjustment device for inkjet pen | Cheng-Wei Hsu, Shyh-Haur Su, Chieh-Wen Wang, Yuan-Liang Lan | 2002-08-06 |
| 6409324 | Method and apparatus for supplying ink to an printhead | Cheng-Wei Hsu, Shyh-Haur Su, Chieh-Wen Wang, Charles Chang | 2002-06-25 |
| 6367666 | Ink container with fixed pressure modulating mechanism | Cheng-Wei Hsu, Yuan-Liang Lan | 2002-04-09 |
| 6364474 | Pressure control device | Charles Chang, Chieh-Wen Wang | 2002-04-02 |
| 6186620 | Ink pressure control apparatus for ink-jet pens | Shu-Cheng Hsieh, Cheng-Wei Hsu, Chi-Chien Lin | 2001-02-13 |