Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12343593 | Chest expander | — | 2025-07-01 |
| D1060544 | Spring assembly as a part of a hand grip exerciser | — | 2025-02-04 |
| D1055184 | Chest expander | — | 2024-12-24 |
| 12060485 | Low gloss non-coating thermoplastic resin composition, method for manufacturing molded article by using the same, and molded article manufactured through the same | Seul Yi, Boo Youn An, Dae-sik Kim, Kyeong Hoon Jang, Min-Woo Kwon +8 more | 2024-08-13 |
| 11771952 | Chest expander | — | 2023-10-03 |
| 11738227 | Forearm fitness equipment | — | 2023-08-29 |
| 11458359 | Chest expander | — | 2022-10-04 |
| 11052283 | Hand grip | — | 2021-07-06 |
| 10982091 | Thermoplastic resin composition having excellent thermal stability and low birefringence and molded atricle thereof | Jae Joon Chang, Joung Hoon Lee, Hyun Jee Lee, Keun Hyung Lee, Jung Kyu Han +2 more | 2021-04-20 |
| 10881903 | Hand grip | — | 2021-01-05 |
| 10874894 | Fitness equipment | — | 2020-12-29 |
| 9789358 | Exercise bar mounted on door frame | — | 2017-10-17 |
| 9415262 | Handgrip | — | 2016-08-16 |
| D742463 | Hand grip exerciser | — | 2015-11-03 |
| D680178 | Hand grip | — | 2013-04-16 |
| 8133158 | Handgrip | — | 2012-03-13 |
| 7789815 | Chest expander | — | 2010-09-07 |
| 6881177 | Handgrip | — | 2005-04-19 |