Top Inventors at Soken 2021
| Rank | Name | Patents |
|---|---|---|
| 1 | Ken Tanaka | 4 |
| 2 | Satoru Jinno | 4 |
| 3 | Shigetoshi Fukaya | 4 |
| #4 | Toshiro Suzuki | 4 |
| #5 | Masanori Yasuda | 3 |
| #6 | Asahi Kondo | 2 |
| #7 | Fumiya ISHII | 2 |
| #8 | Kazumasa Sakurai | 2 |
| #9 | Shuzo Oda | 2 |
| #10 | Toshiya Sakai | 2 |
| #11 | Etsuro YOSHINO | 1 |
| #12 | Hideaki Kosuge | 1 |
| #13 | Hiroaki Kuraoka | 1 |
| #14 | Hiroaki Murakami | 1 |
| #15 | Junichi Asama | 1 |
| #16 | Jun YAMAOKA | 1 |
| #17 | Kenichiro Sanji | 1 |
| #18 | Keiji Yoeda | 1 |
| #19 | Kohei Enomoto | 1 |
| #20 | Koji Ito | 1 |
| #21 | Masakazu Ikeda | 1 |
| #22 | Masaaki KONO | 1 |
| #23 | Mai Sakamoto | 1 |
| #24 | Masanao Sugisawa | 1 |
| #25 | Masao Tokunaga | 1 |
| #26 | Mitsuyasu Matsuura | 1 |
| #27 | Mitsunobu Uchida | 1 |
| #28 | Munenori Matsumoto | 1 |
| #29 | Noritaka HIRAO | 1 |
| #30 | Shota Iguchi | 1 |
| #31 | Shiro Koide | 1 |
| #32 | Shinji Makita | 1 |
| #33 | Shingo Shimizu | 1 |
| #34 | Tadayoshi NAKASE | 1 |
| #35 | Takahiro Soki | 1 |
| #36 | Taichi Yamaguchi | 1 |
| #37 | Tetsuya Ueda | 1 |
| #38 | Yoshitaka Nishiguchi | 1 |
| #39 | Yusuke Akamine | 1 |
| #40 | Yuji Sugimoto | 1 |