Top Inventors at Pretechnology All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Yasuyuki Harada | 6 |
| 2 | Shigeyoshi Netsu | 4 |
| 3 | Kazuhiko Shiba | 2 |
| #4 | Tadahiro Ohmi | 2 |
| #5 | Hiroshi Amano | 1 |
| #6 | Mitsuru Nakada | 1 |
| #7 | Masaki Kameya | 1 |
| #8 | Shouichi Miura | 1 |
| #9 | Stacy Spikes | 1 |
| #10 | Toda Masayuki | 1 |