| # | Country | Total Patents | |
|---|---|---|---|
| #1 | China | 13 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Transport | |
| #3 | Engines, pumps and turbines | |
| #4 | Machines | |
| #5 | Mechanical elements | |
| #6 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Dredging | |
| #2 | Motor vehicles | |
| #3 | Unspecified technologies | |
| #4 | Pumps | |
| #5 | Making metal sheets | |
| #6 | Non-positive-displacement pumps | |
| #7 | Servomotors | |
| #8 | Shafts | |
| #9 | Cooling of machines | |
| #10 | Vehicle drive control systems |
| # | Name | Total Patents |
|---|---|---|
| #1 | Toichi Hirata | 3 |
| #2 | Genroku Sugiyama | 2 |
| #3 | Shi Toyooka | 1 |
| #4 | Yasuku Nozawa | 1 |
| #5 | Kazuo Fujishima | 1 |
| #6 | Toichi Taita | 1 |
| #7 | Teruo Atono | 1 |
| #8 | Osamuki Tsuri | 1 |
| #9 | Junya Kawamoto | 1 |
| #10 | Yoshizumi Nishimura | 1 |