Issued Patents All Time
Showing 1–25 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12148132 | Image calibration method and image calibration apparatus | Yu-Chen Kuo, Yu-Ting Lin | 2024-11-19 |
| 11568841 | Pedal assembly for percussion instrument | — | 2023-01-31 |
| 11450300 | Drum hoop fastening device | — | 2022-09-20 |
| 11346389 | Rotary closed-valve vacuum suction device | Hsin-Huang TSAI, Chun-Yen Tsao | 2022-05-31 |
| 11004432 | Drum stand coupler and drum using the same | — | 2021-05-11 |
| 10199020 | Drum practice apparatus | — | 2019-02-05 |
| 10157599 | Fastening device, drum hoop fastening device and drum having the same | — | 2018-12-18 |
| D818314 | Knife handle | Chun-Yen Tsao | 2018-05-22 |
| 9943185 | Kettle having capability of preventing overflow of boiled water | — | 2018-04-17 |
| 9679545 | Drum hoop fastening device and drum having the same | — | 2017-06-13 |
| 9495944 | Drum frame fixer | — | 2016-11-15 |
| D752919 | Knife handle | — | 2016-04-05 |
| 9072395 | Spout interlocking device of a teapot | Hsin-Huang TSAI, Ying-Shan Wang | 2015-07-07 |
| D718970 | Kettle | Hsin-Huang TSAI | 2014-12-09 |
| D714102 | Knife blade | — | 2014-09-30 |
| D710657 | Knife blade | — | 2014-08-12 |
| D710658 | Knife blade | — | 2014-08-12 |
| 8735705 | Drum beating apparatus | — | 2014-05-27 |
| 8686263 | Musical instrument | — | 2014-04-01 |
| 8467963 | Map building system, building method and computer readable media thereof | Yung-Yu Chen, Shyang-Jye Chang | 2013-06-18 |
| 8212133 | Drum pedal assembly | — | 2012-07-03 |
| 8110731 | Transmission linkage for drum assembly | — | 2012-02-07 |
| 8053656 | Single-arm pedal assembly for percussion instrument | — | 2011-11-08 |
| 7999165 | Pedal system and a drum assembly using the same | — | 2011-08-16 |
| 7956267 | Hi-hat system | — | 2011-06-07 |