Top Inventors at Toska Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Masami Kato | 9 |
| 2 | Mikio Kubota | 9 |
| 3 | Tadashi Suzuki | 6 |
| #4 | Hideyuki Ueno | 5 |
| #5 | Toyohisa Hiroki | 5 |
| #6 | Tetsuro Wada | 2 |
| #7 | Hiroshi Nishino | 1 |
| #8 | Katsumi Matsumura | 1 |
| #9 | Kazuo Okabe | 1 |
| #10 | Kenji Masuyama | 1 |
| #11 | Saburo Hara | 1 |
| #12 | Yasukichi Sumimoto | 1 |