Top Inventors at Hitachi Systems 2021
| Rank | Name | Patents |
|---|---|---|
| 1 | Daisuke Katsumata | 1 |
| 2 | Hiroaki Takatsuki | 1 |
| 3 | Kentarou Oonishi | 1 |
| #4 | Kenta Takahashi | 1 |
| #5 | Masaaki KITAGAWA | 1 |
| #6 | Masaaki Saruyama | 1 |
| #7 | Naoto Miyao | 1 |
| #8 | Naoto Murayama | 1 |
| #9 | Nobuhiro Ihori | 1 |
| #10 | Shinya Iguchi | 1 |
| #11 | Shinya Nomura | 1 |
| #12 | Shigeru Yamauchi | 1 |
| #13 | Takayuki Fujiwara | 1 |
| #14 | Tooru Sugimoto | 1 |