Top Inventors at Daiki Engineering Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Naokazu Kumagai | 5 |
| 2 | Katsuhiko Asami | 4 |
| 3 | Koji Hashimoto | 4 |
| #4 | Asahi Kawashima | 3 |
| #5 | Chisei Murayama | 1 |
| #6 | Hiroki Habazaki | 1 |
| #7 | Kazo Takagi | 1 |
| #8 | Kiyohiro Teruuchi | 1 |
| #9 | Shigeoki Nakamura | 1 |
| #10 | Shuji Jikihara | 1 |
| #11 | Yoshimitsu Samata | 1 |