Top Inventors at Toyo Tire 2021
| Rank | Name | Patents |
|---|---|---|
| 1 | Toshikazu Yasunaga | 9 |
| 2 | Junji Itakura | 4 |
| 3 | Tetsuji Miyazaki | 4 |
| #4 | Yoshiki Sato | 4 |
| #5 | Harunobu Suita | 3 |
| #6 | Hirokazu Sakata | 3 |
| #7 | Koji Arakawa | 3 |
| #8 | Isao Yonetsu | 2 |
| #9 | Kazuki Ohta | 2 |
| #10 | Masaaki Ohara | 2 |
| #11 | Naoya Kubo | 2 |
| #12 | Ryoshi Miyamoto | 2 |
| #13 | Sachio Sakamoto | 2 |
| #14 | Shingo Kuwano | 2 |
| #15 | Yoshiki Hashimoto | 2 |
| #16 | Akihiro Koike | 1 |
| #17 | Akie Kurihara | 1 |
| #18 | Akio Takashina | 1 |
| #19 | Ayaki Nakaishi | 1 |
| #20 | Keisuke Iwakuni | 1 |
| #21 | Daichi NAKAMURA | 1 |
| #22 | Hiroaki Morino | 1 |
| #23 | Hiraku Nagayoshi | 1 |
| #24 | Jiro Taniguchi | 1 |
| #25 | Kazumasa Hosomi | 1 |
| #26 | Kazuhiro Sakakibara | 1 |
| #27 | Kensuke Bito | 1 |
| #28 | Keisuke Matsubara | 1 |
| #29 | Kenji Nomura | 1 |
| #30 | Kei Oyaizu | 1 |
| #31 | Kensuke Shibayama | 1 |
| #32 | Nobuyuki Kamada | 1 |
| #33 | Noriyuki Tsuji | 1 |
| #34 | Ryuji Ogose | 1 |
| #35 | Sayaka Arakawa | 1 |
| #36 | Shingo Sano | 1 |
| #37 | Takahiro Ando | 1 |
| #38 | Takashi Kitamura | 1 |
| #39 | Takashi Miyasaka | 1 |
| #40 | Takenori Ooshita | 1 |
| #41 | Tomohiro Deguchi | 1 |
| #42 | Tomohiro Kamino | 1 |
| #43 | Tomonori Ueno | 1 |
| #44 | Yu Hatayama | 1 |
| #45 | Yusuke Inui | 1 |
| #46 | Yuichi Kato | 1 |
| #47 | Yu Tomitaka | 1 |