Top Inventors at Daisen Industry Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Iwao Nohara | 6 |
| 2 | Kiyotaka Ida | 5 |
| 3 | Kenji Yamaguchi | 3 |
| #4 | Masahiko Sameshima | 3 |
| #5 | Shigeki Yoshimura | 3 |
| #6 | Tomio Nakajima | 3 |
| #7 | Yoshiyuki Kobayashi | 3 |
| #8 | Tatsuo Hayashi | 2 |
| #9 | Ryoichi Ito | 1 |
| #10 | Ryouichi Itoh | 1 |
| #11 | Taizo Mio | 1 |
| #12 | Tatsumi Tsuji | 1 |
| #13 | Tomio Nakashima | 1 |
| #14 | Tomohiro Oshima | 1 |
| #15 | Yasutaka Tate | 1 |
| #16 | Akimasa Shimazaki | 1 |
| #17 | Akihiko Tsuda | 1 |