Top Inventors at Hitachi Metals Precision All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Yasuhiro Kubota | 3 |
| 2 | Hirokazu Itoh | 2 |
| 3 | Hiroshi Takatsuka | 1 |
| #4 | Junichi Nakao | 1 |
| #5 | Katsuhisa Ishikawa | 1 |
| #6 | Katsumi Iwata | 1 |
| #7 | Masami Hatta | 1 |
| #8 | Masaaki Koga | 1 |
| #9 | Masao Sasaki | 1 |
| #10 | Makoto Tago | 1 |
| #11 | Mikio Sasaki | 1 |
| #12 | Ryoji Yamamoto | 1 |
| #13 | Shinya Ishihara | 1 |
| #14 | Takayuki TSUKAHARA | 1 |