Top Inventors at Esselte N.V. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Robert Charles Lewis Day | 16 |
| 2 | Charles Robert Sims | 11 |
| 3 | Michael Beadman | 9 |
| #4 | Geert Heyse | 8 |
| #5 | Michel Woodman | 8 |
| #6 | Jonathan Kemp | 6 |
| #7 | Lawrence Archard | 6 |
| #8 | Martin Gibbs | 6 |
| #9 | Mathew Richard Palmer | 6 |
| #10 | Adrian Michael Woodward | 6 |
| #11 | Costa Panayi | 5 |
| #12 | Graham Scott Gutsell | 5 |
| #13 | Sam Cockerill | 5 |
| #14 | Andrew R. B. Halket | 5 |
| #15 | Chris McCleve | 4 |
| #16 | Nicholas James Hastings | 4 |
| #17 | Paul J. Martin | 4 |
| #18 | Chris McCleave | 3 |
| #19 | Charles R. Sims | 3 |
| #20 | Dirk Maes | 3 |
| #21 | Ian Morgan George | 3 |
| #22 | Ian Thompson-Bell | 3 |
| #23 | Jonathan Tremlett | 3 |
| #24 | Martin Christopher Edwards | 3 |
| #25 | Anthony Roy Dunn | 3 |
| #26 | Clive Lawrence Ayling | 2 |
| #27 | David Pas | 2 |
| #28 | Geoffrey Stuart Howe | 2 |
| #29 | Michael Reuter | 2 |
| #30 | Richard William Ware | 2 |
| #31 | Robert C. Sims | 2 |
| #32 | Andrew Buchanan Halket | 2 |
| #33 | Clive Graham Angel | 1 |
| #34 | David Roger Tegerdine | 1 |
| #35 | Francois Lecomte | 1 |
| #36 | James A. Hayman | 1 |
| #37 | Klaus Botta | 1 |
| #38 | Matthew Ryan Palmer | 1 |
| #39 | Robert Brennan | 1 |
| #40 | Paul Robert Bridle | 1 |