Top Inventors at Ledil Oy All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Olli Saarnio | 10 |
| 2 | Kimmo Harjunpää | 7 |
| 3 | Hannu Hukkanen | 6 |
| #4 | Joni Palm | 5 |
| #5 | Olli-Pekka LAAKKIO | 5 |
| #6 | Yrjö Matikainen | 5 |
| #7 | Joel W. Jones | 4 |
| #8 | Arsi Siuvatti | 4 |
| #9 | Jari Kinanen | 3 |
| #10 | Jussi Laakkio | 3 |
| #11 | Matti Vuola | 3 |
| #12 | Olli Sipilä | 3 |
| #13 | Teemu Hentula | 3 |
| #14 | Kim Kaski | 2 |
| #15 | Olli Hakala | 2 |
| #16 | Palm Joni | 2 |
| #17 | Pasi Vallevuori | 2 |
| #18 | Petri Laukkanen | 2 |
| #19 | Antti Siironen | 2 |
| #20 | Jouko Kotitalo | 1 |
| #21 | Kari Siuvatti | 1 |
| #22 | Karri Siuvatti | 1 |
| #23 | Tero Mäkinen | 1 |
| #24 | Veijo ISOJUNNO | 1 |
| #25 | Oskari Savin | 1 |