Top Inventors at Top Kogyo Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Kiyoshi Watanabe | 2 |
| 2 | Masami Toyoshima | 2 |
| 3 | Takeshi Majima | 2 |
| #4 | Yasusuke Murayama | 2 |
| #5 | Genji Usuda | 1 |
| #6 | Yuichi Sakai | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Kiyoshi Watanabe | 2 |
| 2 | Masami Toyoshima | 2 |
| 3 | Takeshi Majima | 2 |
| #4 | Yasusuke Murayama | 2 |
| #5 | Genji Usuda | 1 |
| #6 | Yuichi Sakai | 1 |