Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12403453 | Stationary phase medium for adsorption chromatography and manufacturing method thereof | Tsung-Han TU, Chia-Wei Lin, Shih-Yu Wang, Min-Shyan Sheu, Shih-Horng Yang | 2025-09-02 |
| 12350794 | Driving head-changeable tool | Chia-Yi Chen | 2025-07-08 |
| D1003132 | Wrench | Chia-Yi Chen | 2023-10-31 |
| 11685026 | Tool joint | Chia-Yi Chen | 2023-06-27 |
| 11420309 | Multi-section universal tool | Chia-Yi Chen | 2022-08-23 |
| 11236184 | Method for producing porous microstructure | Shih-Yu Wang, Pang LIN, Min-Shyan Sheu | 2022-02-01 |
| 11231073 | Two-stage universal joint | Chia-Yi Chen | 2022-01-25 |
| 11007625 | Two-stage universal joint | Chia-Yi Chen | 2021-05-18 |
| 10828635 | Apparatus for isolating bubbles | Pang LIN | 2020-11-10 |
| D899915 | Tool head | Chia-Yi Chen | 2020-10-27 |
| D805380 | Extension tool | Chia-Yi Chen | 2017-12-19 |
| 9776310 | Driving head-changeable tool and sleeve assembly thereof | Chia-Yi Chen | 2017-10-03 |
| 9205543 | Driving head-changeable tool | Chia-Yi Chen | 2015-12-08 |
| 8978887 | Receptacle for tool bit | — | 2015-03-17 |
| 8806990 | Handtool having bending mechanism | — | 2014-08-19 |
| D661171 | Tool adaptor | — | 2012-06-05 |
| 8151671 | Tool adaptor | — | 2012-04-10 |
| 7966915 | Extensive device for tool | — | 2011-06-28 |