Kai, JP ranks #4,274 worldwide for total patents filed in 2016, with 24 patents from 18 inventors. Leading employers of inventors based in Kai, JP include Tokyo Electron Limited, Nipro, Hal Laboratory.
Showing 1–18 of 18 inventors
| Rank ↑ | Inventor ↕ | Primary Company ↕ | Patents ↕ |
|---|---|---|---|
| 1 | Kazuki Denpoh | Tokyo Electron Limited | 3 |
| 1 | Yuuki Nishimura | Nipro | 3 |
| 3 | Yumi Todo | Hal Laboratory | 2 |
| 3 | Katsunori Wada | Taiyo Nippon Sanso | 2 |
| #5 | Masayoshi Tanimura | Nintendo Co. | 1 |
| #5 | Masanobu Sakata | Hal Laboratory | 1 |
| #5 | Ryoichiro Atono | Hal Laboratory | 1 |
| #5 | Masaru Sakuma | Tokico | 1 |
| #5 | Tetsuya Noge | Hal Laboratory | 1 |
| #5 | Tomokazu Tsuruoka | Hal Laboratory | 1 |
| #5 | Takashi Sakuda | Seiko Epson | 1 |
| #5 | Kimio Iino | Taiyo Nippon Sanso | 1 |
| #5 | Tomoyuki Haneji | Taiyo Nippon Sanso | 1 |
| #5 | Akira Ozawa | Honda Motor Co. | 1 |
| #5 | Yasuhiro ITAYAMA | Seiko Epson | 1 |
| #5 | Shinichiro Tani | — | 1 |
| #5 | Hiroki Oono | Taiyo Nippon Sanso | 1 |
| #5 | Shinichi Kawaji | Hal Laboratory | 1 |