Top Inventors at Nec Environment Engineering All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Kenji Yokoyama | 4 |
| 2 | Masahiro Kazama | 3 |
| 3 | Seiji Takayama | 2 |
| #4 | Shigekazu Haginoya | 2 |
| #5 | Yasumasa Fujii | 2 |
| #6 | Yoshio Iida | 2 |
| #7 | Youhei Suzuki | 2 |
| #8 | Kakutaro Kauchi | 1 |
| #9 | Kimio Hasegawa | 1 |
| #10 | Masahiko Ooyama | 1 |
| #11 | Masahiro Sano | 1 |
| #12 | Shuichi Ishiwata | 1 |
| #13 | Toru Tomoshige | 1 |
| #14 | Yoshihiro Kenmoku | 1 |
| #15 | Yohzoh Yamamoto | 1 |
| #16 | Hidehiko Saizyo | 1 |