Top Inventors at Hitachi Seibu Software Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Eiki Chigira | 1 |
| 2 | Hiromichi Ishikawa | 1 |
| 3 | Hidetosi Katumata | 1 |
| #4 | Hiroshi Koike | 1 |
| #5 | Hiroyuki Maezawa | 1 |
| #6 | Hiroshi Tomita | 1 |
| #7 | Ichiro Naito | 1 |
| #8 | Jiro Kashio | 1 |
| #9 | Junichi Higashino | 1 |
| #10 | Junko Yamaguchi | 1 |
| #11 | Kazuo Imai | 1 |
| #12 | Kazuhiko Kawasaki | 1 |
| #13 | Kazuyoshi Tanaka | 1 |
| #14 | Keiji Kojima | 1 |
| #15 | Kiyoshi Yamamoto | 1 |
| #16 | Kiyozumi Yoshimura | 1 |
| #17 | Masaaki Hatano | 1 |
| #18 | Masamitu Nomura | 1 |
| #19 | Miyuki HARA | 1 |
| #20 | Michio Suzuki | 1 |
| #21 | Michio Tandai | 1 |
| #22 | Nobuo Yamamoto | 1 |
| #23 | Satoshi Wakayama | 1 |
| #24 | Takashi Kanoh | 1 |
| #25 | Tatsuya Nishiyama | 1 |
| #26 | Takeshi Oshio | 1 |
| #27 | Taketoshi Sakuraba | 1 |
| #28 | Takehiro Yokoyama | 1 |
| #29 | Tetsuya Hashimoto | 1 |
| #30 | Tetsuya Watanabe | 1 |
| #31 | Toshiaki Arai | 1 |
| #32 | Tohru Hoshi | 1 |
| #33 | Toru Yamamoto | 1 |
| #34 | Yasushi Takeuchi | 1 |
| #35 | Yoshiki Matsuda | 1 |