| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 12 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Electrical machinery and energy | |
| #3 | Optics | |
| #4 | Environmental technology | |
| #5 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Guiding railway traffic | |
| #2 | Reduction of greenhouse gas emissions | |
| #3 | Batteries | |
| #4 | Optical systems | |
| #5 | Machines for making railways |
| # | Name | Total Patents |
|---|---|---|
| #1 | Richardson Ernest-Ardisana | 7 |
| #2 | Richardson Ernest Ardisana | 5 |