Top Inventors at Ryusyo Industrial Co. All Time
Showing 1–13 of 13 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Akira Kawahara | 5 |
| 2 | Masakatsu Iwamoto | 2 |
| 3 | Gohichi Watanabe | 1 |
| 3 | Kazunori Matsumura | 1 |
| 3 | Katsushi Yano | 1 |
| 3 | Koichi Miyake | 1 |
| 3 | Motoki Koyama | 1 |
| 3 | Naoki Maeda | 1 |
| 3 | Satoru Okada | 1 |
| 3 | Shigeru Takimoto | 1 |
| 3 | Sueyoshi Hayashi | 1 |
| 3 | Tadahiro Takami | 1 |
| 3 | Akihiko Chiba | 1 |