Top Inventors at Nippon Koki Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Junichi Kishimoto | 12 |
| 2 | Hirokazu Kobari | 7 |
| 3 | Minoru Hayashi | 4 |
| #4 | Kanichi Fukuda | 3 |
| #5 | Sakae Takahashi | 3 |
| #6 | Takashi Kazumi | 3 |
| #7 | Takashi Minamizawa | 3 |
| #8 | Tadao Yoshida | 3 |
| #9 | Hitoshi Kunii | 2 |
| #10 | Hitoshi Miyazaki | 2 |
| #11 | Kazuhiro Seki | 2 |
| #12 | Kimiharu Sato | 2 |
| #13 | Koichi Kobari | 2 |
| #14 | Michio Shioda | 2 |
| #15 | Michio Shiota | 2 |
| #16 | Yukio Ikeda | 2 |
| #17 | Chitoshi Yano | 1 |
| #18 | Eugen Feuerstake | 1 |
| #19 | Haruki Abe | 1 |
| #20 | Hitoshi Hasegawa | 1 |
| #21 | Kazuo Hara | 1 |
| #22 | Kazuya Saito | 1 |
| #23 | Karl-Heinz Schneider | 1 |
| #24 | Kenichi Fukase | 1 |
| #25 | Keisuke Matsuda | 1 |
| #26 | Kiyoshi Honda | 1 |
| #27 | Klaus Schluter | 1 |
| #28 | Koichi Kamiji | 1 |
| #29 | Kouichi Kobari | 1 |
| #30 | Masaaki Kawaguchi | 1 |
| #31 | Martin Klober | 1 |
| #32 | Mitoshi Matsufuji | 1 |
| #33 | Mitsuaki Murashima | 1 |
| #34 | Nakaba Nakamura | 1 |
| #35 | Seiichiroh Kobayashi | 1 |
| #36 | Shiro Chijiwa | 1 |
| #37 | Takasi Minamizawa | 1 |
| #38 | Takeshi Okada | 1 |
| #39 | Takashi Sato | 1 |
| #40 | Wolfgang Schwarz | 1 |
| #41 | Yasuo Shimizu | 1 |
| #42 | Gerd Kuscher | 1 |
| #43 | Michio Sioda | 1 |
| #44 | Akihito Tamura | 1 |