Top Inventors at Yanegijutsukenkyujo Co. All Time
Showing 1–8 of 8 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Shuichi Kobayashi | 28 |
| 2 | Katsuyuki Okado | 5 |
| 2 | Takayoshi Yamanaka | 5 |
| #4 | Joji Tsuzuki | 3 |
| #5 | Kenji Yamauchi | 2 |
| #5 | Koji Okada | 2 |
| #7 | Shinya Narita | 1 |
| #7 | Yasuhiko Inoue | 1 |