| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Shafts | |
| #2 | Unspecified technologies | |
| #3 | Clutches and brakes | |
| #4 | Springs | |
| #5 | Punching metal | |
| #6 | Making metal sheets |
| # | Name | Total Patents |
|---|---|---|
| #1 | Katsuhide Nakata | 10 |
| #2 | Nakata Katsuhide | 3 |
| Publication | Filing date | Title |
|---|---|---|
| ZA7303304B | Improved joint pin | |
| ZA7302979B | New process for the formation of metal caps(capsules) | |
| CA933195A | Torsion bar |