Top Inventors at Rex Industrial All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Yoshiharu Ikenaka | 5 |
| 2 | Masaaki Maruyama | 3 |
| 3 | Makoto Sakaguchi | 3 |
| #4 | Ryo Sakaguchi | 3 |
| #5 | Eiki Tamaoki | 2 |
| #6 | Fumiko Miyagawa | 2 |
| #7 | Hideyuki Aiura | 1 |
| #8 | Katsushi Takeoka | 1 |
| #9 | Koichi Imakubo | 1 |
| #10 | Lucas Banquer | 1 |
| #11 | Masaru Oshiro | 1 |
| #12 | Norio Usui | 1 |
| #13 | Robert A. Martin | 1 |
| #14 | Shinichi Kasai | 1 |
| #15 | Takashi Kouchi | 1 |
| #16 | Tomoyuki Endo | 1 |
| #17 | Toshitaka Fukuda | 1 |
| #18 | Toshifumi Kubota | 1 |
| #19 | Tsuyoshi Ohashi | 1 |
| #20 | Tsuneo Taira | 1 |
| #21 | Yusuke FUJII | 1 |