Top Inventors at Hitachi Mito Engineering Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Kenji Yoneda | 4 |
| 2 | Satoru Toriyabe | 4 |
| 3 | Shunichi Tanae | 4 |
| #4 | Takamichi Hoshino | 4 |
| #5 | Toshifumi Yoshikawa | 4 |
| #6 | Atsuya Fujino | 4 |
| #7 | Hiromi Inaba | 3 |
| #8 | Ryo Okabe | 3 |
| #9 | Toru Yamaguchi | 3 |
| #10 | Chuichi Saito | 2 |
| #11 | Kazuhira Ojima | 2 |
| #12 | Kazutoshi Takeda | 2 |
| #13 | Toshiyuki Tamatsu | 2 |
| #14 | Hiroshi Itahana | 1 |
| #15 | Masaya Furuhashi | 1 |
| #16 | Masafumi Makino | 1 |
| #17 | Masayuki Shigeta | 1 |
| #18 | Ryou Okabe | 1 |
| #19 | Sadanori Kuroda | 1 |
| #20 | Syuuji Saitou | 1 |
| #21 | Takeshi Shinomiya | 1 |
| #22 | Tetsuo Kojima | 1 |
| #23 | Tetsu SUGIURA | 1 |
| #24 | Yuichiro Nozaki | 1 |
| #25 | Yuji Sekiya | 1 |
| #26 | Akira Horie | 1 |