Chikusei, JP ranks #5,383 worldwide for total patents filed in 2021, with 19 patents from 12 inventors. Leading employers of inventors based in Chikusei, JP include Showa Denko Materials Co., Toyota, Sony.
Showing 1–12 of 12 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hideyuki Katagi | Showa Denko Materials Co. | 4 |
| 2 | Tomomi Kawamura | Toyota | 3 |
| 3 | Osamu Horie | Sony | 2 |
| 3 | Yuji TOSAKA | Showa Denko Materials Co. | 2 |
| #5 | Takao Sugawara | Fujitsu Limited | 1 |
| #5 | Etsuo Mizushima | Hitachi Chemical Company | 1 |
| #5 | Yukihiko Wada | Mitsubishi Electric | 1 |
| #5 | Naoyuki Urasaki | Hitachi Chemical Company | 1 |
| #5 | Yasuyuki Mizuno | Hitachi Chemical Company | 1 |
| #5 | Ayumi Endo | Nec | 1 |
| #5 | Ryohei Mitazaki | Canon | 1 |
| #5 | Masami Arai | Hitachi Chemical Company | 1 |