| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 2 | |
| #2 | United Kingdom | 2 | |
| #3 | United States | 2 | |
| #4 | Australia | 1 | |
| #5 | Canada | 1 | |
| #6 | Japan | 1 | |
| #7 | Netherlands | 1 | |
| #8 | Taiwan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Skates |
| # | Name | Total Patents |
|---|---|---|
| #1 | Chang Yen-Nien | 11 |
| Publication | Filing date | Title |
|---|---|---|
| US2010320707A1 | Structure of inline skates | |
| GB0714464D0 | Structure of inline skates | |
| US2008029979A1 | Structure of inline skates | |
| DE102005005328A1 | Inline skate has first wheel suspended in air while multiple wheels contact ground, and movable along one direction | |
| GB0426936D0 | Inline skate with one-way wheel | |
| TW200616698A | Structure of in-line skating |