Top Inventors at Toyo Seat Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Hiroyuki Ito | 2 |
| 2 | Hiroki Uemura | 2 |
| 3 | Keisuke Iida | 2 |
| #4 | Satoru Shioya | 2 |
| #5 | Seishiro Murata | 2 |
| #6 | Takashi Imai | 2 |
| #7 | Takushi Ujimoto | 2 |
| #8 | Terumi Akazawa | 2 |
| #9 | Teiji Hiyori | 2 |
| #10 | Tomonori Ohtsubo | 2 |
| #11 | Daisuke Uchimoto | 1 |
| #12 | Hirotoshi Fujii | 1 |
| #13 | Hiroyuki Makihara | 1 |
| #14 | Hidehiro Sasaki | 1 |
| #15 | Hiroki Tanoue | 1 |
| #16 | Hideki Yokoyama | 1 |
| #17 | Junsuke Inoue | 1 |
| #18 | Kazuharu Ogawa | 1 |
| #19 | Kenji Muramatsu | 1 |
| #20 | Kouji Matsushita | 1 |
| #21 | Naoki Kaneko | 1 |
| #22 | Reiji Kikuchi | 1 |
| #23 | Shiro Ogaki | 1 |
| #24 | Takamichi Amano | 1 |
| #25 | Toshihiko Tomita | 1 |
| #26 | Yasuto Watanabe | 1 |
| #27 | Yoshifumi Taira | 1 |
| #28 | Hiroshi Monmasu | 1 |