Top Inventors at Duplo All Time
Showing 1–14 of 14 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Shuhei Yamamoto | 4 |
| 2 | Hideo Tanaka | 1 |
| 2 | Kazuki Imai | 1 |
| 2 | Kazuhiro Tanaka | 1 |
| 2 | Masatoshi Takahashi | 1 |
| 2 | Masato Takeda | 1 |
| 2 | Shinichi Iwakiri | 1 |
| 2 | Tomio Honma | 1 |
| 2 | Toshio Miki | 1 |
| 2 | Tomohiko Niwa | 1 |
| 2 | Yoshiyuki Ishikura | 1 |
| 2 | Yutaka Iijima | 1 |
| 2 | Yuichi Misawa | 1 |
| 2 | Yutaka Oki | 1 |