Top Inventors at Chuo Kagaku Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Eiji Natori | 9 |
| 2 | Masatoshi Koyama | 2 |
| 3 | Yutaka Tokiwa | 2 |
| #4 | Keita Morita | 1 |
| #5 | Masahiro Suzuki | 1 |
| #6 | Shigemasa Suzuki | 1 |
| #7 | Sigeyuki Takagi | 1 |
| #8 | Toshiyuki Takai | 1 |
| #9 | Tsutomu Matsuzaki | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Eiji Natori | 9 |
| 2 | Masatoshi Koyama | 2 |
| 3 | Yutaka Tokiwa | 2 |
| #4 | Keita Morita | 1 |
| #5 | Masahiro Suzuki | 1 |
| #6 | Shigemasa Suzuki | 1 |
| #7 | Sigeyuki Takagi | 1 |
| #8 | Toshiyuki Takai | 1 |
| #9 | Tsutomu Matsuzaki | 1 |