Top Inventors at Hitachi Control Systems All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Fusao Nakagawa | 3 |
| 2 | Kazuo Takaragi | 3 |
| 3 | Motohisa Funabashi | 3 |
| #4 | Ryoichi Sasaki | 3 |
| #5 | Shinichiro Miyaoka | 2 |
| #6 | Katsumi Kawano | 1 |
| #7 | Kiyomi Kishi | 1 |
| #8 | Kinji Mori | 1 |
| #9 | Kiminori Nakamura | 1 |
| #10 | Kuniaki Matsumoto | 1 |
| #11 | Masaoki Takaki | 1 |
| #12 | Setsuo Tsuruta | 1 |
| #13 | Shinobu Hayashi | 1 |
| #14 | Shigeyuki Shimauchi | 1 |
| #15 | Shigenobu Yanai | 1 |
| #16 | Teruji Sekozawa | 1 |
| #17 | Teruzi Sekozawa | 1 |
| #18 | Teruo Takagi | 1 |
| #19 | Yasuhiko Nagai | 1 |
| #20 | Tohru Otokita | 1 |
| #21 | Fumito Shinomiya | 1 |
| #22 | Akihiko Kamiyama | 1 |