Top Inventors at Parker All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Nicholas Parker | 2 |
| 2 | Eiji Sato | 1 |
| 3 | Geoffrey C. Parker | 1 |
| #4 | Katsutoshi Sakurai | 1 |
| #5 | Kenichi Maegaito | 1 |
| #6 | Keisuke Ono | 1 |
| #7 | Manabu Satou | 1 |
| #8 | Philip C. Carbone | 1 |
| #9 | Richard E. Wagner | 1 |
| #10 | Ronald J. Boliver | 1 |
| #11 | Takashi Gotou | 1 |
| #12 | Youichi Nakamura | 1 |