Top Inventors at S.T.Japan All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Takao Nakagawa | 5 |
| 2 | Kazumi Inagaki | 2 |
| 3 | Koichi Chiba | 2 |
| #4 | Koji Masutani | 2 |
| #5 | Masaaki Abe | 2 |
| #6 | Nobuyoshi Kitagawa | 2 |
| #7 | Shin-ichiro Fujii | 2 |
| #8 | Yosuke Nakagawa | 2 |
| #9 | Norio YASUDA | 1 |
| #10 | Shin-ichi Miyashita | 1 |
| #11 | Tetsuya Sugimoto | 1 |
| #12 | Akiko Takatsu | 1 |