Itabashi, JP ranks #3,966 worldwide for total patents filed in 2017, with 28 patents from 20 inventors. Leading employers of inventors based in Itabashi, JP include Topcon, Lintec, IBM.
Showing 1–20 of 20 inventors
| Rank ↑ | Inventor ↕ | Primary Company ↕ | Patents ↕ |
|---|---|---|---|
| 1 | Masayuki Momiuchi | Topcon | 3 |
| 1 | Tsuyoshi Mutou | Lintec | 3 |
| 1 | Shigetaka Tsuri | Topcon | 3 |
| #4 | Yoshiaki Goto | Topcon | 2 |
| #4 | Tomohiro Sakurada | Topcon | 2 |
| #6 | Hirofumi Matsuzawa | IBM | 1 |
| #6 | Hitoshi Ootani | Topcon | 1 |
| #6 | Naofumi Matsumoto | Gc | 1 |
| #6 | Yuichi Sakamoto | Nippon Conlux Co. | 1 |
| #6 | Shohei Kuwabara | Fujitsu Limited | 1 |
| #6 | Yohei Nagai | Nippon Gakki Seizo | 1 |
| #6 | Sayaka Suwa | Fujitsu Limited | 1 |
| #6 | Takahiro Masakawa | Kabushiki Kaisha Toshiba | 1 |
| #6 | Shunya MARUCHI | Kabushiki Kaisha Toshiba | 1 |
| #6 | Shoji Shinkai | Otsuka Pharmaceutical Co. | 1 |
| #6 | Yasuhiko Shiomi | Canon | 1 |
| #6 | Takao Nishikawa | Seiko Epson | 1 |
| #6 | Hisashi Kusumori | Kabushiki Kaisha Toshiba | 1 |
| #6 | So Ishizuka | Gc | 1 |
| #6 | Tatsunosuke Miyano | Gc | 1 |