Top Inventors at Marubun 2020
| Rank | Name | Patents |
|---|---|---|
| 1 | Eriko Matsuura | 1 |
| 2 | Hideki Hirayama | 1 |
| 3 | Mitsunori Kokubo | 1 |
| #4 | Ryuichiro Kamimura | 1 |
| #5 | Takaharu Tashiro | 1 |
| #6 | Toshiro Morita | 1 |
| #7 | Yamato Osada | 1 |
| #8 | Yukio Kashima | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Eriko Matsuura | 1 |
| 2 | Hideki Hirayama | 1 |
| 3 | Mitsunori Kokubo | 1 |
| #4 | Ryuichiro Kamimura | 1 |
| #5 | Takaharu Tashiro | 1 |
| #6 | Toshiro Morita | 1 |
| #7 | Yamato Osada | 1 |
| #8 | Yukio Kashima | 1 |