Top Inventors at Hitachi Microsoftware Systems All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Kazunari Suzuki | 4 |
| 2 | Keiichi Nakane | 4 |
| 3 | Tadashi Kuwabara | 4 |
| #4 | Hiroyuki Koreeda | 3 |
| #5 | Naomichi Nonaka | 3 |
| #6 | Shigeyuki Nishitani | 3 |
| #7 | Chikahiko Nagata | 2 |
| #8 | Hiroshi Kurihara | 2 |
| #9 | Kazuyoshi Kawabe | 2 |
| #10 | Kiyoshi Masuda | 2 |
| #11 | Seiji Kageyama | 2 |
| #12 | Tadahiko Asou | 2 |
| #13 | Takeshi Maeda | 2 |
| #14 | Tetsuo Takagi | 2 |
| #15 | Toshiaki Ohashi | 2 |
| #16 | Hajime Uchiyama | 1 |
| #17 | Hiroaki Aotsu | 1 |
| #18 | Hiromichi Enomoto | 1 |
| #19 | Hideo Haruta | 1 |
| #20 | Hiroshi Kodaka | 1 |
| #21 | Hirowo Shimizu | 1 |
| #22 | Hitoshi Tachi | 1 |
| #23 | Junichi Seki | 1 |
| #24 | Kazutaka Itou | 1 |
| #25 | Kazuo Sugai | 1 |
| #26 | Kimiyoshi Ohno | 1 |
| #27 | Kouji Fukuda | 1 |
| #28 | Masaaki Fujinawa | 1 |
| #29 | Masatoshi Hino | 1 |
| #30 | Masami Jikihara | 1 |
| #31 | Masaki Kawase | 1 |
| #32 | Masataka Kobayashi | 1 |
| #33 | Masahiro Okumura | 1 |
| #34 | Manabu Sasaki | 1 |
| #35 | Michihiro Mese | 1 |
| #36 | Naoya Ikeda | 1 |
| #37 | Naoaki Kubushiro | 1 |
| #38 | Seiichi Kanema | 1 |
| #39 | Shigeo Tsujioka | 1 |
| #40 | Tetsuya Mochida | 1 |
| #41 | Toshio Kushida | 1 |
| #42 | Yasuo Kurosu | 1 |
| #43 | Yujiro Tatsuno | 1 |
| #44 | Tsuneaki Amanuma | 1 |