Top Inventors at Nippon Yusoki Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Kazumasa Kokura | 4 |
| 2 | Shinobu Tanaka | 4 |
| 3 | Ikuya Katanaya | 3 |
| #4 | Kazuhito Kawashima | 3 |
| #5 | Hajime Muragishi | 2 |
| #6 | Koji Yokoyama | 2 |
| #7 | Noriaki Makino | 2 |
| #8 | Shigeru Hirooka | 2 |
| #9 | Eiichi Rokkaku | 1 |
| #10 | Fujio Eguchi | 1 |
| #11 | Hideki Ando | 1 |
| #12 | Hiroshi Minami | 1 |
| #13 | Hiroshi Satou | 1 |
| #14 | Kazuhiro Fujikawa | 1 |
| #15 | Kazuhiro Nagata | 1 |
| #16 | Kensuke Futahashi | 1 |
| #17 | Keizo Ogino | 1 |
| #18 | Koji Orita | 1 |
| #19 | Masataka Kawaguchi | 1 |
| #20 | Michio Akao | 1 |
| #21 | Sampei Kikuchi | 1 |
| #22 | Sanpei Kikuchi | 1 |
| #23 | Shuming Chen | 1 |
| #24 | Shuichi Maeda | 1 |
| #25 | Shigehiro Yamamoto | 1 |
| #26 | Shingo Yuguchi | 1 |
| #27 | Tadashi Banba | 1 |
| #28 | Takahiro Kitao | 1 |
| #29 | Toshiyuki Honda | 1 |
| #30 | Tomohiro Moriyama | 1 |
| #31 | Toshio Wada | 1 |
| #32 | Toshihiko Yamaguchi | 1 |
| #33 | Tutomu Fujita | 1 |
| #34 | Yasunobu Tomiyama | 1 |
| #35 | Yasuyuki Yamaguchi | 1 |
| #36 | Youich Hiraki | 1 |
| #37 | Haruhiko Kakitsubata | 1 |