Top Inventors at Ryosei Electro-Circuit System All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Yukifumi Machida | 7 |
| 2 | Tsugio Anbo | 4 |
| 3 | Michiyasu Watanabe | 3 |
| #4 | Yoshikatsu Hasegawa | 3 |
| #5 | Yoshikazu Tanaka | 3 |
| #6 | Katsuzi Shimazawa | 2 |
| #7 | Ryo Sawada | 2 |
| #8 | Hideo Kon | 1 |
| #9 | Kenichi Suzuki | 1 |
| #10 | Nobuhiro Kimura | 1 |
| #11 | Seiichiro Hayashi | 1 |
| #12 | Shinji Yamaguchi | 1 |
| #13 | Yukihumi Machida | 1 |
| #14 | Akihiro Kojima | 1 |