Top Inventors at Yumex All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Hideaki Shimamoto | 2 |
| 2 | Katsumi Tateiwa | 2 |
| 3 | Kazuya Tominaga | 2 |
| #4 | Yasuhiko Fukumoto | 2 |
| #5 | Bingang Guo | 1 |
| #6 | Fukuichi Yokogawa | 1 |
| #7 | Hideaki Madono | 1 |
| #8 | Hiroyuki Tanaka | 1 |
| #9 | Kenji Awamoto | 1 |
| #10 | Kenji Tamaoki | 1 |
| #11 | Koji Shinohe | 1 |
| #12 | Koji Tanabe | 1 |
| #13 | Masaki Kawada | 1 |
| #14 | Masao Sugiyama | 1 |
| #15 | Mamoru Tsumori | 1 |
| #16 | Michio Fujino | 1 |
| #17 | Mikihiro Kobayashi | 1 |
| #18 | Naoyuki Kobayashi | 1 |
| #19 | Shigeru Morita | 1 |
| #20 | Syuuichi Ishiwa | 1 |
| #21 | Takashi Kita | 1 |
| #22 | Takashi Yasuda | 1 |
| #23 | Teruhiko Nishihara | 1 |
| #24 | Tetsuro Nishimoto | 1 |
| #25 | Tsutae Shinoda | 1 |
| #26 | Yoshitaka Chigi | 1 |
| #27 | Youzi Hamazaki | 1 |
| #28 | Yasushi Zaiki | 1 |