Showing 1–9 of 9 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Kazuhiko Mizoguchi | Hitachi Construction Machinery Co. | 3 |
| 2 | Izumi Ogata | Hitachi High-Technologies | 2 |
| 2 | Shuuichi MEGURIYA | Hitachi Construction Machinery Co. | 2 |
| #4 | Takeo Manabe | Hitachi Construction Machinery Co. | 1 |
| #4 | Masahiko Yamada | National Agriculture And Food Research Organization | 1 |
| #4 | Takanobu Hiroto | Hitachi Construction Machinery Co. | 1 |
| #4 | Takanari Tanabata | Hitachi | 1 |
| #4 | Naomi Hasegawa | Smc | 1 |
| #4 | Ryota KAMEOKA | Hitachi Construction Machinery Co. | 1 |