Top Inventors at Kos All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Kazuhiro Niikura | 2 |
| 2 | Yumiko Kamisaku | 2 |
| 3 | Emina Horikoshi | 1 |
| #4 | Ichiro Sasaki | 1 |
| #5 | Kazuhiro Suzuki | 1 |
| #6 | Kei Inagawa | 1 |
| #7 | Kiyomi Tachibana | 1 |
| #8 | Makoto Fujii | 1 |
| #9 | Masahiro Moriyama | 1 |
| #10 | Noboru Naito | 1 |
| #11 | Osamu Sakata | 1 |
| #12 | Satsuki Miyagawa | 1 |
| #13 | Soichiro Watanabe | 1 |
| #14 | Taku Hoshino | 1 |
| #15 | Takao Someya | 1 |
| #16 | Toru Shimizu | 1 |
| #17 | Tsutomu Usami | 1 |
| #18 | Yoshihiro Higuchi | 1 |
| #19 | Yuko Misaki | 1 |