Top Inventors at Meidensha 2021
| Rank | Name | Patents |
|---|---|---|
| 1 | Takao Akiyama | 8 |
| 2 | Toshimichi Takahashi | 5 |
| 3 | Noriaki Hirokami | 3 |
| #4 | Takashi Yamaguchi | 3 |
| #5 | Akihiko Kodama | 2 |
| #6 | Keiichi Kodachi | 2 |
| #7 | Kuan Chung Tey | 2 |
| #8 | Shoki Suto | 2 |
| #9 | Yuka Yamamoto | 2 |
| #10 | Bernhard Wett | 1 |
| #11 | Daizo Takahashi | 1 |
| #12 | Guihe Tao | 1 |
| #13 | Hideki Miyazawa | 1 |
| #14 | Hiroshi Noguchi | 1 |
| #15 | Jia Ting Yen | 1 |
| #16 | Kenji Kawakubo | 1 |
| #17 | Kenichi Taira | 1 |
| #18 | Kenji Watanabe | 1 |
| #19 | Kota Kawanishi | 1 |
| #20 | Masao Furusawa | 1 |
| #21 | Masahiko Ieda | 1 |
| #22 | Makoto Miwa | 1 |
| #23 | Mitsuru Kato | 1 |
| #24 | Naoto Kameda | 1 |
| #25 | Nobuo Okazaki | 1 |
| #26 | Seng Chye Chua | 1 |
| #27 | Shigenori Ikeda | 1 |
| #28 | Shigeo Ishimoto | 1 |
| #29 | Taichi Narita | 1 |
| #30 | Tamotsu Sakai | 1 |
| #31 | Takahiro Shimizu | 1 |
| #32 | Takeshi Suwazono | 1 |
| #33 | Terutake Niwa | 1 |
| #34 | Toshimasa Fukai | 1 |
| #35 | Tomoaki Kimura | 1 |
| #36 | Toshinori Miura | 1 |
| #37 | Tsuyoshi Shimizu | 1 |
| #38 | Yasuhiro Fukuzaki | 1 |
| #39 | Yasumasa Miyamoto | 1 |
| #40 | Yingjie Lee | 1 |
| #41 | Yosuke Arai | 1 |
| #42 | Yoshio Kijima | 1 |
| #43 | Yoshiki Nota | 1 |
| #44 | Yugo Tadano | 1 |
| #45 | Yusuke Watabe | 1 |