Top Inventors at Marukin Shoyu Co. All Time
Showing 1–11 of 11 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Yoji Tsukada | 13 |
| 2 | Yasuhiro Ohta | 8 |
| 3 | Tsunetake Sugimori | 6 |
| #4 | Isafumi Maru | 2 |
| #4 | Kenichi Adachi | 2 |
| #4 | Yasuhiko Tatsuke | 2 |
| #4 | Yasuhiko Tazuke | 2 |
| #8 | Jang Ho Lee | 1 |
| #8 | Shigenori Okada | 1 |
| #8 | Yasuhiro Ota | 1 |
| #8 | Yoshihiro Uchida | 1 |