Top Inventors at Jdc All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Hidetoshi Morimoto | 5 |
| 2 | Hiroshi Obata | 4 |
| 3 | Naoto Hashikawa | 4 |
| #4 | Takeo Asakura | 4 |
| #5 | Masakazu Sekiguchi | 3 |
| #6 | Tsukasa Baba | 3 |
| #7 | Yoshito Hashikawa | 3 |
| #8 | Yuu Sato | 3 |
| #9 | Francis N. Fatool | 2 |
| #10 | Shingo Mizutani | 2 |
| #11 | Atsushi Yamazaki | 1 |
| #12 | Haruya Sawara | 1 |
| #13 | Haruyuki Takeshita | 1 |
| #14 | James L. Gordon | 1 |
| #15 | Masaaki Kusano | 1 |
| #16 | Mai Takahashi | 1 |
| #17 | Mutsuhiro Ohno | 1 |
| #18 | Mutsuhiro Ono | 1 |
| #19 | Ryouta Ikeda | 1 |
| #20 | Shohei Hoshino | 1 |
| #21 | Takuro Hori | 1 |
| #22 | Takashi Kajimoto | 1 |
| #23 | Yoshiyuki Shoji | 1 |
| #24 | Yutaka Kobayashi | 1 |