Kai, JP ranks #7,503 worldwide for total patents filed in 2021, with 12 patents from 6 inventors. Leading employers of inventors based in Kai, JP include Seiko Epson, Hitachi Automotive Systems, Taiyo Nippon Sanso.
Showing 1–6 of 6 inventors
| Rank ↑ | Inventor ↕ | Primary Company ↕ | Patents ↕ |
|---|---|---|---|
| 1 | Yasuhiro ITAYAMA | Seiko Epson | 4 |
| 2 | Ayae Sawado | Seiko Epson | 2 |
| 2 | Shiro Nagashima | Hitachi Automotive Systems | 2 |
| 2 | Naoki SEINO | Taiyo Nippon Sanso | 2 |
| #5 | Yuuki Nishimura | Nipro | 1 |
| #5 | Kazunori Koishi | Tadano | 1 |