Top Inventors at Hatachi All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Atsushi Saiki | 1 |
| 2 | Daisuke Okada | 1 |
| 3 | Darrin Uecker | 1 |
| #4 | Hajime Asada | 1 |
| #5 | Hideki Harazaki | 1 |
| #6 | Hiroshi Hayami | 1 |
| #7 | Hiroaki Kuno | 1 |
| #8 | Hirokazu Ougi | 1 |
| #9 | Hiroshi Sakou | 1 |
| #10 | Hideo Takashima | 1 |
| #11 | Hidenobu Taniguchi | 1 |
| #12 | Johannes W. M. Bergmans | 1 |
| #13 | Katsuhiko Hashimoto | 1 |
| #14 | Kazumichi Imai | 1 |
| #15 | Katsumi Ogiue | 1 |
| #16 | Kazuaki Oishi | 1 |
| #17 | Kiichiro Mukai | 1 |
| #18 | Masao Kawamura | 1 |
| #19 | Masanori Oguino | 1 |
| #20 | Mitsuaki Mirumachi | 1 |
| #21 | Munetoshi Kouchi | 1 |
| #22 | Nozomi Horino | 1 |
| #23 | Osamu Tsuchiya | 1 |
| #24 | Seiki Harada | 1 |
| #25 | Seiichi Mita | 1 |
| #26 | Seizo Nakano | 1 |
| #27 | Shinichi Fujino | 1 |
| #28 | Shozo Hosoda | 1 |
| #29 | Shintaro Sado | 1 |
| #30 | Shigeru Shimada | 1 |
| #31 | Toshihiko Takakura | 1 |
| #32 | Toshitsugu Takekuma | 1 |
| #33 | Toshio Tomite | 1 |
| #34 | Yasushi Izunaga | 1 |
| #35 | Yoshinori Fukasaku | 1 |
| #36 | Yoku Kaino | 1 |
| #37 | Yoichi Tamaki | 1 |
| #38 | Yoshiaki Yoshiura | 1 |
| #39 | Akihiro Tomozawa | 1 |
| #40 | Akihisa Uchida | 1 |