Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9750990 | Golf club head and low density alloy thereof | Chuan-Hsien Chang, Jui-Ming Su | 2017-09-05 |
| 8287403 | Iron-based alloy for a golf club head | Chuan-Hsien Chang, Jui-Ming Su | 2012-10-16 |
| 6723007 | Face of a golf club head | — | 2004-04-20 |
| 6617050 | Low density and high ductility alloy steel for a golf club head | — | 2003-09-09 |