Top Inventors at Susumu Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Nakaba Nakamura | 4 |
| 2 | Itaru Fukushima | 3 |
| 3 | Takashi Okamoto | 3 |
| #4 | Makoto Kosaki | 2 |
| #5 | Hisashi Deguchi | 1 |
| #6 | Hitoshi Hasegawa | 1 |
| #7 | Hirokazu Kobari | 1 |
| #8 | Junichi Kishimoto | 1 |
| #9 | Kazuya Nishimura | 1 |
| #10 | Sadao Yoshizaki | 1 |
| #11 | Masami Kawabayashi | 1 |
| #12 | Akihito Tamura | 1 |