Top Inventors at Kasco All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Masayuki Toyota | 4 |
| 2 | Yasuhiro Fukui | 3 |
| 3 | Daisaku Yoshida | 2 |
| #4 | Hiroshi Kawabata | 2 |
| #5 | Hiroyuki Naito | 2 |
| #6 | Katsumi Yamano | 2 |
| #7 | Kenji Baba | 2 |
| #8 | Kenichi Sato | 2 |
| #9 | Shunji Ohsumi | 2 |
| #10 | Taro Izawa | 2 |
| #11 | Atsushi Takeda | 1 |
| #12 | Masahiko Fujiwara | 1 |
| #13 | Toshihiro Miyaji | 1 |