| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 4 | |
| #2 | Taiwan | 4 | |
| #3 | WIPO (World Intellectual Property Organization) | 4 | |
| #4 | EPO (European Patent Office) | 2 | |
| #5 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Measurement | |
| #3 | Machine tools | |
| #4 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Shafts | |
| #2 | Measuring speed and acceleration | |
| #3 | Punching metal | |
| #4 | Handling thin material | |
| #5 | Making metal sheets |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kato Heizaburo | 15 |
| Publication | Filing date | Title |
|---|---|---|
| JP2013253682A | Rolling bearing | |
| JP2013253684A | Auxiliary bearing device | |
| JP2013253683A | Bearing device | |
| JP2013253681A | Ball bearing |