Top Inventors at Sanai Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Masami Miura | 7 |
| 2 | Atsushi Matsuura | 1 |
| 3 | Keiko Okimoto | 1 |
| #4 | Kenji Okimoto | 1 |
| #5 | Kenji Tsukiji | 1 |
| #6 | Masahiro Hori | 1 |
| #7 | Masahiko Yoshida | 1 |
| #8 | Michifumi Suzuki | 1 |
| #9 | Stefan Dick | 1 |
| #10 | Sueo Miyahara | 1 |
| #11 | Takahiro Tomioka | 1 |
| #12 | Yutaka Karaki | 1 |