Toshima, JP ranks #3,680 worldwide for total patents filed in 2016, with 29 patents from 21 inventors. Leading employers of inventors based in Toshima, JP include Konica, IBM, Sanyo Denki Co..
Showing 1–21 of 21 inventors
| Rank ↑ | Inventor ↕ | Primary Company ↕ | Patents ↕ |
|---|---|---|---|
| 1 | Toshihiro Motoi | Konica | 4 |
| 1 | Setsuko Masuda | IBM | 4 |
| 3 | Honami Oosawa | Sanyo Denki Co. | 2 |
| 3 | Masato Takahashi | Taisho Pharmaceutical Co. | 2 |
| #5 | Hajime TAKASHIMA | Toyama Chemical Co. | 1 |
| #5 | Daisuke Takuma | IBM | 1 |
| #5 | Toshio Nakamura | Taisho Pharmaceutical Co. | 1 |
| #5 | Seiji Masuda | Taisho Pharmaceutical Co. | 1 |
| #5 | Tetsuya Yabuuchi | Taisho Pharmaceutical Co. | 1 |
| #5 | Kie Kubo | Kabushiki Kaisha Toshiba | 1 |
| #5 | Takashi Hashihayata | Banyu Pharmaceutical Co. | 1 |
| #5 | Kazunari Sakagami | Taisho Pharmaceutical Co. | 1 |
| #5 | Yoichiro Suga | Taisho Pharmaceutical Co. | 1 |
| #5 | Ryoji Matsubara | Hitachi | 1 |
| #5 | Kei Kasai | Kabushiki Kaisha Toshiba | 1 |
| #5 | Risa Tsuruta | Taisho Pharmaceutical Co. | 1 |
| #5 | Norikazu Otake | Banyu Pharmaceutical Co. | 1 |
| #5 | Akihiko Ohwada | Fujitsu Limited | 1 |
| #5 | Jun Chieh Yen | Sanyo Denki Co. | 1 |
| #5 | Hiroki Urabe | Taisho Pharmaceutical Co. | 1 |
| #5 | Yusuke Oka | Taisho Pharmaceutical Co. | 1 |