Iijima, JP ranks #5,183 worldwide for total patents filed in 2021, with 20 patents from 11 inventors. Leading employers of inventors based in Iijima, JP include Kokuyo Co., Seiko Epson, Nichia.
Showing 1–11 of 11 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Kenta Shiozawa | Kokuyo Co. | 3 |
| 1 | Kensuke Nakamura | Kokuyo Co. | 3 |
| 1 | Tomoaki Ichikawa | Kokuyo Co. | 3 |
| #4 | Mitsuhiro Tateyama | Seiko Epson | 2 |
| #4 | Wataru KITAHARA | Nichia | 2 |
| #4 | Satoshi Shoji | Nhk Spring Co. | 2 |
| #7 | Hideyuki Komamura | Olympus | 1 |
| #7 | Hiroshi Yonekubo | Kabushiki Kaisha Toshiba | 1 |
| #7 | Norio Horaguchi | Seiko Epson | 1 |
| #7 | Yoshiro Koga | Seiko Epson | 1 |
| #7 | Yo Furuya | Olympus | 1 |