Itabashi, JP ranks #7,503 worldwide for total patents filed in 2021, with 12 patents from 11 inventors. Leading employers of inventors based in Itabashi, JP include Kabushiki Kaisha Toshiba, Gc, Topcon.
Showing 1–11 of 11 inventors
| Rank ↑ | Inventor ↕ | Primary Company ↕ | Patents ↕ |
|---|---|---|---|
| 1 | Ken Hatano | Kabushiki Kaisha Toshiba | 2 |
| 2 | Kiyotaka Nakao | Gc | 1 |
| 2 | Ken'ichiro Yoshino | — | 1 |
| 2 | Hirokazu Onji | Topcon | 1 |
| 2 | Shuji KARIYA | Gc | 1 |
| 2 | Hirofumi Matsuzawa | IBM | 1 |
| 2 | Tomohiro Sakurada | Topcon | 1 |
| 2 | Junki Kaneko | Topcon | 1 |
| 2 | Yukio Kozaki | Ricoh Company | 1 |
| 2 | Masayuki Momiuchi | Topcon | 1 |
| 2 | Nobutoshi Orita | Tok Bearing Co. | 1 |