Top Inventors at Tadano 2021
| Rank | Name | Patents |
|---|---|---|
| 1 | Hiroyuki Hayashi | 4 |
| 2 | Iwao Ishikawa | 2 |
| 3 | Masafumi Takahashi | 2 |
| #4 | Naoto Kawabuchi | 2 |
| #5 | Naofumi Yoshida | 2 |
| #6 | Yasuhiro Fukumori | 2 |
| #7 | Hajime Sembo | 1 |
| #8 | Hiroshi Kitayama | 1 |
| #9 | Kazuhiro Furuichi | 1 |
| #10 | Kazue Inoshita | 1 |
| #11 | Kazunori Koishi | 1 |
| #12 | Kazuo Mitani | 1 |
| #13 | Kazuma Mizuki | 1 |
| #14 | Kenji Nakamura | 1 |
| #15 | Masato Miyoshi | 1 |
| #16 | Mami Nagata | 1 |
| #17 | Masaya Nakahara | 1 |
| #18 | Makoto Tsuji | 1 |
| #19 | Nanami Ikeuchi | 1 |
| #20 | Naotaka Masuda | 1 |
| #21 | Nobuyuki Tsuyama | 1 |
| #22 | Satoshi Kubota | 1 |
| #23 | Shigenori Tanaka | 1 |
| #24 | Takayuki Kosaka | 1 |
| #25 | Tomohiro Toyosaki | 1 |
| #26 | Yuhei Yamamoto | 1 |