Yoshikawa, JP ranks #11,895 worldwide for total patents filed in 2021, with 6 patents from 3 inventors. Leading employers of inventors based in Yoshikawa, JP include Canon, Dainichiseika Color & Chemicals Mfg. Co., Olympus.
Showing 1–3 of 3 inventors
| Rank ↑ | Inventor ↕ | Primary Company ↕ | Patents ↕ |
|---|---|---|---|
| 1 | Ikuyo Kuroiwa | Canon | 4 |
| 2 | Tadamitsu Nakamura | Dainichiseika Color & Chemicals Mfg. Co. | 1 |
| 2 | Yukihiko SHIMAMURA | Olympus | 1 |