Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12257728 | Shaft-locking folding knife | Henry Wang | 2025-03-25 |
| 12172330 | Securing structure of folding knife | Jonathan Chang | 2024-12-24 |
| 12150574 | Knife rack | Po-Chun Chuang, Po-Yu Chen | 2024-11-26 |
| D945664 | Flashlight | Steve Avila | 2022-03-08 |
| 11103976 | Cutter sharpener | — | 2021-08-31 |
| D922179 | Safety hook | — | 2021-06-15 |
| D911809 | Cutter sharpener | — | 2021-03-02 |
| 10823381 | Flashlight capable of functioning as self-defense tool | Steve Avila | 2020-11-03 |
| 10456938 | Sheath and knife separation control structure | — | 2019-10-29 |
| D863896 | Knife handle | — | 2019-10-22 |
| D846372 | Belt fastener | — | 2019-04-23 |
| D814237 | Knife handle | Kuan-Jui Chen | 2018-04-03 |
| 9494175 | Clipping device | — | 2016-11-15 |
| 9027212 | Device clip | — | 2015-05-12 |
| 7080456 | Knife assembly | — | 2006-07-25 |
| 6412129 | Inflation device capable of periodic inflation and deflation | — | 2002-07-02 |
| 6319175 | Grip device | — | 2001-11-20 |
| 6042509 | Device for promoting human abdominal breathing | Ching-Tien Hsien | 2000-03-28 |