| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 4 | |
| #2 | Norway | 4 | |
| #3 | EPO (European Patent Office) | 3 | |
| #4 | United States | 3 | |
| #5 | Republic of Korea | 1 | |
| #6 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Clutches and brakes | |
| #2 | Gearing | |
| #3 | Unspecified technologies | |
| #4 | Shafts |
| # | Name | Total Patents |
|---|---|---|
| #1 | Takata Nobuo | 16 |
| Publication | Filing date | Title |
|---|---|---|
| EP0551515A1 | Coupling to absorb torque variation | |
| CA2093920A1 | Torque variation absorbing coupling | |
| CA2093648A1 | Antifriction roller bearing | |
| US5322374A | Antifriction roller bearing |