| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 4 | |
| #2 | United Kingdom | 4 | |
| #3 | United States | 3 | |
| #4 | WIPO (World Intellectual Property Organization) | 2 | |
| #5 | Brazil | 1 | |
| #6 | Canada | 1 | |
| #7 | China | 1 | |
| #8 | Czechia | 1 | |
| #9 | EPO (European Patent Office) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Gearing | |
| #2 | Internal-combustion piston engines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ra Jong Oh | 8 |
| #2 | Lim Joon Young | 7 |
| #3 | Ra Jong-Oh | 4 |
| #4 | Yoo Wan Moo | 4 |
| #5 | Yoo Wan-Moo | 3 |
| #6 | Lim Joon-Young | 3 |
| #7 | You Wan Moo | 2 |
| #8 | Ra Jong O | 2 |
| #9 | Yoo Wan M | 2 |
| #10 | Lim Joon Y | 2 |
| Publication | Filing date | Title |
|---|---|---|
| CZ270393A3 | Continuous automatic variable gear | |
| CN1096350A | Infinitely variable speed device | |
| US5364320A | Continuously-geared automatic transmission with controlling brakes | |
| GB9215930D0 | Automatic transmission |