Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12000943 | Communication device for estimating azimuth angle, estimating method for communication device, and communication device for estimating position by calculating emission angle | Cheng-Nan Hu, Phi-Li Lo, Chia-Bin Yang | 2024-06-04 |
| 11567000 | Method of infrared spectrometric measurement of tunnel gas | Fu-Yuan Hsiao, Shu-Yung Chi, Chih-Hao Yang, Shih-Hui Wang | 2023-01-31 |
| 9802839 | Method of producing polyaniline zirconia nanocomposite and uses thereof | Ya-Fen WANG, Chih Sheng Tsai | 2017-10-31 |
| 8808891 | Portable electronic device with battery cover and latch | Tsung-Ju Chiang, Chih-Cheng Chang | 2014-08-19 |
| 5927451 | Top hood structure for trunk/briefcase with a telescopic lever unit | — | 1999-07-27 |
| 5825219 | Fast edge rate signal driver | — | 1998-10-20 |
| 5752415 | Retracting handle bar | — | 1998-05-19 |
| 5634538 | Wheel assembly mounting structure for trunks | — | 1997-06-03 |
| 5626351 | Collapsible hand cart | — | 1997-05-06 |
| 5613273 | Retractable handle assembly of a suitcase truck | — | 1997-03-25 |
| D376238 | Luggage cart | — | 1996-12-03 |
| 5566798 | Trunk with a concealable retractable handle | — | 1996-10-22 |
| D374816 | Caster seat of a cart | — | 1996-10-22 |
| D371665 | Handle of a cart | — | 1996-07-09 |
| 5524920 | Base frame assembly for suitcase trucks | — | 1996-06-11 |
| D365902 | Cart | — | 1996-01-02 |
| D358195 | Sprinkling gun | — | 1995-05-09 |
| 5403023 | Luggage truck | — | 1995-04-04 |
| D356413 | Luggage cart | — | 1995-03-14 |
| D355529 | Combined brush ice scraper, squeegee, and fluid dispenser | — | 1995-02-21 |
| D336945 | Water flow controller | — | 1993-06-29 |
| D335738 | Barrow for use in going shopping and loading luggage | — | 1993-05-18 |
| D331317 | Container for car cleaning equipment | — | 1992-12-01 |
| D320879 | Luggage cart or the like | — | 1991-10-15 |
| D317968 | Spraying wand | — | 1991-07-02 |