Showing 1–10 of 10 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Rolf Meyerhans | Mueller Martini Holding Ag | 8 |
| 2 | Alfred Glanzmann | Grapha-Holding Ag | 7 |
| 3 | Michael Landolt | Mueller Martini Holding Ag | 6 |
| #4 | Johanna Fischer | Siegfried Ag | 5 |
| #5 | Josef Widmer | Hunkeler Ag | 3 |
| #6 | Dieter Eich | — | 2 |
| #7 | Maria Cristina DiDavide | Center For Abrasives And Refractories Research & Development C.A.R.R.D. Gmbh | 1 |
| #7 | Roger Stammbach | Mueller Martini Holding Ag | 1 |
| #7 | Joseph Sfeir | Htceramix S.A. | 1 |
| #7 | Cristina Didavide | Reishauer Ag | 1 |