Top Inventors at Toyo Radiator Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Kazuhiro Watanabe | 3 |
| 2 | Kimiaki Nakano | 3 |
| 3 | Youichi Nakamura | 3 |
| #4 | Hisae Nishikawa | 2 |
| #5 | Kunihiko Nishishita | 2 |
| #6 | Takashi Nohara | 2 |
| #7 | Hisao Hagihara | 1 |
| #8 | Hisao Hagiwara | 1 |
| #9 | Hisataka Kato | 1 |
| #10 | Hiroshi Ohmura | 1 |
| #11 | Hiroshi Watanabe | 1 |
| #12 | Hiroshi Yoneguchi | 1 |
| #13 | Isao Adachi | 1 |
| #14 | Kazuo Kawai | 1 |
| #15 | Kenichi Nasu | 1 |
| #16 | Kiyoaki Horie | 1 |
| #17 | Noriyuki Hoshina | 1 |
| #18 | Norio Tanaka | 1 |
| #19 | Satoshi Takahashi | 1 |
| #20 | Shigenori Miya | 1 |
| #21 | Shuko Shincho | 1 |
| #22 | Tadamichi Aoyama | 1 |
| #23 | Takayuki Banno | 1 |
| #24 | Takahiro Ideguchi | 1 |
| #25 | Takaji Igami | 1 |
| #26 | Takahiro Kawabe | 1 |
| #27 | Takahiro Kuwabara | 1 |
| #28 | Tadashi Mizuno | 1 |
| #29 | Takashi Sugita | 1 |
| #30 | Tsuyoshi Kawabe | 1 |
| #31 | Yoshihiro Matsuo | 1 |
| #32 | Yoshikazu Sekine | 1 |
| #33 | Atsushi Arisaka | 1 |