Top Inventors at Marubun 2022
| Rank | Name | Patents |
|---|---|---|
| 1 | Eriko Matsuura | 1 |
| 2 | Hideki Hirayama | 1 |
| 3 | Kanji Furuta | 1 |
| #4 | Masafumi JO | 1 |
| #5 | Mitsunori Kokubo | 1 |
| #6 | Noritoshi Maeda | 1 |
| #7 | Ryuichiro Kamimura | 1 |
| #8 | Takeshi Iwai | 1 |
| #9 | Takaharu Tashiro | 1 |
| #10 | Tsugumi Nagano | 1 |
| #11 | Yasushi Iwaisako | 1 |
| #12 | Yamato Osada | 1 |
| #13 | Yasuhiro Watanabe | 1 |
| #14 | Yohei Aoyama | 1 |
| #15 | Yukio Kashima | 1 |