Top Inventors at Ykc All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Akira Saitou | 4 |
| 2 | Kazuhiko Honjo | 3 |
| 3 | Hiroshi Murakami | 1 |
| #4 | Kouichi Watanabe | 1 |
| #5 | Koichi Watanabe | 1 |
| #6 | Shuji Ide | 1 |
| #7 | Toshimasa Yamazaki | 1 |
| #8 | Isao Furuhashi | 1 |
| #9 | Akira Matsumoto | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Akira Saitou | 4 |
| 2 | Kazuhiko Honjo | 3 |
| 3 | Hiroshi Murakami | 1 |
| #4 | Kouichi Watanabe | 1 |
| #5 | Koichi Watanabe | 1 |
| #6 | Shuji Ide | 1 |
| #7 | Toshimasa Yamazaki | 1 |
| #8 | Isao Furuhashi | 1 |
| #9 | Akira Matsumoto | 1 |