| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 31 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Engines, pumps and turbines | |
| #3 | Machines | |
| #4 | Transport | |
| #5 | Basic materials chemistry |
| # | Technology | |
|---|---|---|
| #1 | Clutches and brakes | |
| #2 | Cyclically operating valves | |
| #3 | Belts or cables for driving | |
| #4 | Gearing | |
| #5 | Internal-combustion piston engines | |
| #6 | Springs | |
| #7 | Unspecified technologies | |
| #8 | Vehicle brake control systems | |
| #9 | Vehicle transmission mounting | |
| #10 | Adhesives |
| # | Name | Total Patents |
|---|---|---|
| #1 | Fuiritsupu Jiei Motsuto | 7 |
| #2 | Rojiyaa Pii Bataafuiirudo | 5 |
| #3 | Furankurin Aaru Sumisu | 4 |
| #4 | Maaku Ei Iesunitsuku | 3 |
| #5 | Robaato Jiei Fuenogurio | 2 |
| #6 | Kurisutofuaa Pii Pachiyara | 2 |
| #7 | Toomasu Jiei Betsukaa | 2 |
| #8 | Sutanree Kei Denbosuki | 2 |
| #9 | Guregorii Jiei Marutsuka | 2 |
| #10 | Guregorii Jiei Merutsuka | 1 |