Top Inventors at Marubun All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Ryuichiro Kamimura | 9 |
| 2 | Takaharu Tashiro | 9 |
| 3 | Yamato Osada | 9 |
| #4 | Yukio Kashima | 9 |
| #5 | Eriko Matsuura | 8 |
| #6 | Hideki Hirayama | 8 |
| #7 | Mitsunori Kokubo | 7 |
| #8 | Takafumi Ookawa | 5 |
| #9 | Satoshi Shimatani | 3 |
| #10 | Toshiro Morita | 3 |
| #11 | Hiromi Nishihara | 2 |
| #12 | Hideki Takagi | 2 |
| #13 | Masafumi JO | 2 |
| #14 | Noritoshi Maeda | 2 |
| #15 | Sung Won YOUN | 2 |
| #16 | Fusao Kato | 1 |
| #17 | Kanji Furuta | 1 |
| #18 | Sachie Fujikawa | 1 |
| #19 | Takeshi Iwai | 1 |
| #20 | Tsugumi Nagano | 1 |
| #21 | Yasushi Iwaisako | 1 |
| #22 | Yasuhiro Watanabe | 1 |
| #23 | Yohei Aoyama | 1 |
| #24 | Yoshio Umezu | 1 |