Top Inventors at Tamrock Oy All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Leo Hakkinen | 4 |
| 2 | Heikki Rinnemaa | 3 |
| 3 | Pauli Lemmetty | 3 |
| #4 | Pentti Enlund | 3 |
| #5 | Heikki Jantunen | 2 |
| #6 | Ilkka Niemi | 2 |
| #7 | Jouko Kaakkurivaara | 2 |
| #8 | Juhani Lappalainen | 2 |
| #9 | Juha Piipponen | 2 |
| #10 | Kauko Juuri | 2 |
| #11 | Mauri Esko | 2 |
| #12 | Markku Launiemi | 2 |
| #13 | Martti Muranen | 2 |
| #14 | Timo Laitinen | 2 |
| #15 | Timo Muuttonen | 2 |
| #16 | Unto Mattero | 2 |
| #17 | Aleksei Tschurbanoff | 2 |
| #18 | Ari Tuunanen | 2 |
| #19 | Esko Juvonen | 1 |
| #20 | Jaakko Niemi | 1 |
| #21 | Jouko Kuisma | 1 |
| #22 | Joel Lauronen | 1 |
| #23 | Jorma Maki | 1 |
| #24 | Jouko Muona | 1 |
| #25 | Jouni Salo | 1 |
| #26 | Jukka Lehtonen | 1 |
| #27 | Matti Rissanen | 1 |
| #28 | Mika Oksman | 1 |
| #29 | Ossi Kahra | 1 |
| #30 | Pauli Rajakallio | 1 |
| #31 | Pekka Heiskanen | 1 |
| #32 | Pertti Saarelainen | 1 |
| #33 | Pekka Salminen | 1 |
| #34 | Risto Jurmu | 1 |
| #35 | Seppo Peltola | 1 |
| #36 | Timo Kiikka | 1 |
| #37 | Timo J. Salo | 1 |
| #38 | Eero Ojala | 1 |
| #39 | Esa Ostring | 1 |
| #40 | Kari Tantarimaki | 1 |
| #41 | Pekka Koskelo | 1 |
| #42 | Aimo Helin | 1 |