| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Italy | 6 | |
| #2 | Switzerland | 5 | |
| #3 | Spain | 2 | |
| #4 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Optics |
| # | Technology | |
|---|---|---|
| #1 | Optical systems | |
| #2 | Cameras |
| # | Name | Total Patents |
|---|---|---|
| #1 | Luigi Cristiani | 6 |
| #2 | Cristiani Luigi | 2 |
| #3 | Giovanni Mascarini | 1 |
| #4 | Cesare Beltrami | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ES136883A1 | A system of color cinematography. | |
| ES133981A1 | Improvements in electric heating devices for containers, kitchen utensils and the like. |