Top Inventors at Fujitsu Denso All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Hitoshi Umetsu | 4 |
| 2 | Masahiko Yamaguchi | 4 |
| 3 | Hisao Hayashi | 2 |
| #4 | Hiroshi Shimamori | 2 |
| #5 | Hiroyuki Souno | 2 |
| #6 | Hideki Zenitani | 2 |
| #7 | Kazutoshi Fuchigami | 2 |
| #8 | Kazuo Kobayashi | 2 |
| #9 | Koichi Narasaki | 2 |
| #10 | Masato Konishi | 2 |
| #11 | Mitsunobu Okazumi | 2 |
| #12 | Shiro Tani | 2 |
| #13 | Takayuki Soga | 2 |
| #14 | Tsutomu Takahashi | 2 |
| #15 | Atsushi Ogawa | 1 |
| #16 | Fumiaki Ihara | 1 |
| #17 | Hiroo Tanaka | 1 |
| #18 | Katsuyuki Asahi | 1 |
| #19 | Katsuya Fujii | 1 |
| #20 | Kazuhiko Itakura | 1 |
| #21 | Katsuhiko Nishimura | 1 |
| #22 | Kazunori Oomori | 1 |
| #23 | Kiyohide Taniguchi | 1 |
| #24 | Kouichi Namimatsu | 1 |
| #25 | Koichi Namimatsu | 1 |
| #26 | Mitsuo Kaetsu | 1 |
| #27 | Naoya Uchida | 1 |
| #28 | Osamu Kinoshita | 1 |
| #29 | Shigeharu Yamashita | 1 |
| #30 | Takeyoshi Imaki | 1 |
| #31 | Tetsuya Iino | 1 |
| #32 | Tsunehiro Ohno | 1 |
| #33 | Yasuo Ooka | 1 |
| #34 | Yoshiki Kubota | 1 |