Top Inventors at Daiwa All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Kohei Yamada | 5 |
| 2 | Eiji Yoshimura | 2 |
| 3 | Kaneyuki Takagi | 2 |
| #4 | Yoshikazu Yamamoto | 2 |
| #5 | Hisashi Tomioka | 1 |
| #6 | Ken Uehara | 1 |
| #7 | Susumu Ueda | 1 |
| #8 | Toshihiro Endo | 1 |
| #9 | Toshiro Higuchi | 1 |
| #10 | Toshiyuki Isobe | 1 |
| #11 | Yasuo Nomura | 1 |
| #12 | Yoshimura Eiji | 1 |
| #13 | Yoshiyasu Kamiya | 1 |
| #14 | Yoichi Kawai | 1 |
| #15 | Toshiaki Ae | 1 |