Top Inventors at Jo Cosmetics Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Ryuta Yuasa | 2 |
| 2 | Shogo Kato | 2 |
| 3 | Akihiro Nakano | 2 |
| #4 | Atsushi Ono | 1 |
| #5 | Daisuke Uesugi | 1 |
| #6 | Fumiya Takahashi | 1 |
| #7 | Hazuki Uchida | 1 |
| #8 | Hiroki Hamada | 1 |
| #9 | Hiroko Kimura | 1 |
| #10 | Hiroshi Shima | 1 |
| #11 | Ikuo Kondo | 1 |
| #12 | Jugoro Okumura | 1 |
| #13 | Katsura Adachi | 1 |
| #14 | Kazumi Kondo | 1 |
| #15 | Kazuki Uchida | 1 |
| #16 | Kanako Wada | 1 |
| #17 | Kentaro Watanabe | 1 |
| #18 | Kiho Gawahara | 1 |
| #19 | Mizuyo Inoue | 1 |
| #20 | Satoshi Haramizu | 1 |
| #21 | Yasumasa Oki | 1 |
| #22 | Yusuke Akizuki | 1 |
| #23 | Yuichi Kanaya | 1 |
| #24 | Yui Matsuhashi | 1 |
| #25 | Yumi Tomiyama | 1 |