| # | Country | Total Patents | |
|---|---|---|---|
| #1 | China | 9 | |
| #2 | United States | 9 | |
| #3 | EPO (European Patent Office) | 4 | |
| #4 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Measurement | |
| #3 | Electrical machinery and energy | |
| #4 | Basic communication technologies | |
| #5 | Machine tools | |
| #6 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Clutches and brakes | |
| #2 | Special measuring | |
| #3 | Electric switches | |
| #4 | Pulse technique | |
| #5 | Servomotors | |
| #6 | Unspecified technologies | |
| #7 | Sawing | |
| #8 | Geophysics |
| # | Name | Total Patents |
|---|---|---|
| #1 | Asa Yukihiro | 14 |
| #2 | Yukihiro Asa | 5 |
| #3 | Kokei Asa | 1 |
| #4 | Asa Y | 1 |
| #5 | Sachikei Asa | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CN102808865A | Joint | |
| CN101166906A | Cylinder control unit | |
| US2009015243A1 | Device and system for detecting position | |
| US6440000B1 | Universal joint | |
| EP0940594A1 | Eccentric shaft coupling | |
| US5493216A | Magnetic position detector |