Top Inventors at Leo All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Edgar Eriksoo | 3 |
| 2 | Hidehisa Hashizume | 2 |
| 3 | Jan E. Lilja | 2 |
| #4 | Sven-Erik Nilsson | 2 |
| #5 | Anders Robert Stamvik | 2 |
| #6 | Bertil Hansen | 1 |
| #7 | Bengt Malmborg | 1 |
| #8 | Bengt C. H. Sjogren | 1 |
| #9 | Bo Ekman | 1 |
| #10 | Erik G. Christensson | 1 |
| #11 | Eva B. M. Sandberg | 1 |
| #12 | Futoshi Ojima | 1 |
| #13 | Inga M. Lindskog | 1 |
| #14 | Jan-Inge Carlsson | 1 |
| #15 | Jean-Michel Friedt | 1 |
| #16 | Knut G. Olsson | 1 |
| #17 | Krister Holmberg | 1 |
| #18 | Lars J. T. Stalhandske | 1 |
| #19 | Masatake Hirose | 1 |
| #20 | Michel Morin | 1 |
| #21 | Ove B. Ferno | 1 |
| #22 | Sten Krister Kristensson | 1 |
| #23 | Sven-Borje Andersson | 1 |
| #24 | Takuya Kusaka | 1 |
| #25 | Tomas Fex | 1 |
| #26 | Yasuhide Nakai | 1 |
| #27 | Yutaka Kawata | 1 |
| #28 | Corfitz B. I. Ohlsson | 1 |
| #29 | Herta G. Jensen Petersen | 1 |
| #30 | Chiyo Fujihira | 1 |
| #31 | Stig K. A. Helgertz | 1 |
| #32 | Aina L. Abramo | 1 |
| #33 | Ake Lindahl | 1 |