Top Inventors at Tianma Japan 2021
| Rank | Name | Patents |
|---|---|---|
| 1 | Hiroshi Haga | 4 |
| 2 | Kunihiro Shiota | 4 |
| 3 | Yojiro Matsueda | 4 |
| #4 | Daisuke Sugimoto | 3 |
| #5 | Hiroyuki Sekine | 3 |
| #6 | Jiro Yanase | 3 |
| #7 | Koji Shigemura | 3 |
| #8 | Yoshihiro Nonaka | 3 |
| #9 | Genshiro Kawachi | 2 |
| #10 | Harue Sasaki | 2 |
| #11 | Masamichi Shimoda | 2 |
| #12 | Shuhei NARA | 2 |
| #13 | Takayuki Ishino | 2 |
| #14 | Takumi Usukura | 2 |
| #15 | Fuminori Tamura | 1 |
| #16 | Hiroshi Tanabe | 1 |
| #17 | Hirotsugu Yamamoto | 1 |
| #18 | Hitoshi Yoshida | 1 |
| #19 | Kazunori MASUMURA | 1 |
| #20 | Kazushige Takechi | 1 |
| #21 | Ken Sumiyoshi | 1 |
| #22 | Takuya Asai | 1 |
| #23 | Tetsuroh Asakura | 1 |
| #24 | Tetsushi Sato | 1 |
| #25 | Yiping Yang | 1 |
| #26 | Yoshikazu Hatazawa | 1 |
| #27 | Yusuke Yamamoto | 1 |