Top Inventors at Koyo Thermo Systems Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Ryosuke Yamamoto | 8 |
| 2 | Ayaka Nakata | 5 |
| 3 | Norihide Fujiyama | 5 |
| #4 | Showa Tachisato | 5 |
| #5 | Yasuhiro Sasaki | 3 |
| #6 | Kazuyoshi Yamaguchi | 2 |
| #7 | Ken Hatta | 2 |
| #8 | Manabu Sato | 2 |
| #9 | Susumu Uemori | 2 |
| #10 | Takashi Aitani | 2 |
| #11 | Takeshi Ueda | 2 |
| #12 | Yasunori Tanaka | 2 |
| #13 | Hiroyuki Hanaya | 1 |
| #14 | Hiromi Kakazu | 1 |
| #15 | Hiroshi Kubo | 1 |
| #16 | Hidetoshi Ohta | 1 |
| #17 | Hiroaki Tetsubayashi | 1 |
| #18 | Iwao Morimoto | 1 |
| #19 | Kiyoyuki Hattori | 1 |
| #20 | Koichi Kitamura | 1 |
| #21 | Masanori Minamiguchi | 1 |
| #22 | Masanori Okumura | 1 |
| #23 | Masaaki Ueda | 1 |
| #24 | Mitsuma Matsuda | 1 |
| #25 | Satoru Ura | 1 |
| #26 | Shin Matsuda | 1 |
| #27 | Shohei Tsuji | 1 |
| #28 | Takeaki Kozono | 1 |
| #29 | Takahiro Nakamura | 1 |
| #30 | Toshiyuki Harada | 1 |
| #31 | Tomoyuki Ishibashi | 1 |
| #32 | Toshihide Nakamura | 1 |
| #33 | Tomohiro Wada | 1 |
| #34 | You Ishii | 1 |
| #35 | Yusuke Hasuo | 1 |
| #36 | Akihito Yamamoto | 1 |