Top Inventors at Ricoh Electronics All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Tomoo Shibata | 11 |
| 2 | Wissam J. Jurdi | 6 |
| 3 | Steve Tran | 2 |
| #4 | Cuong Tran | 1 |
| #5 | Kelly Morse | 1 |
| #6 | Koji Ohara | 1 |
| #7 | Minh Ly | 1 |
| #8 | Minoru Nomura | 1 |
| #9 | Otto Ondruska | 1 |
| #10 | Tri Nguyen | 1 |
| #11 | Tsuyoshi Masuda | 1 |
| #12 | Wei WU | 1 |
| #13 | John Fickenscher | 1 |
| #14 | H. Ono | 1 |
| #15 | Akira Ichikawa | 1 |