Patents per Year
Top Inventors at Johnan Manufacturing All Time
Showing 1–34 of 34 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Hiroki Shimizu | 5 |
| 1 | Hideaki Takehara | 5 |
| 3 | Masakane Yoshizawa | 4 |
| #4 | Hideo KASHIWABARA | 3 |
| #4 | Hideaki Kashiwagi | 3 |
| #4 | Wataru Murata | 3 |
| #4 | Yukihide Yamazaki | 3 |
| #8 | Junichi Yamamaru | 2 |
| #8 | Koji Sasaki | 2 |
| #8 | Manabu Shimomura | 2 |
| #8 | Naoki Baba | 2 |
| #8 | Naoki Ide | 2 |
| #8 | Seiichi Miyamoto | 2 |
| #8 | Shun SAKURAI | 2 |
| #8 | Tomotaka SHIROMA | 2 |
| #8 | Tsuyoshi Kondo | 2 |
| #17 | Harumitsu Nakamura | 1 |
| #17 | Hakurei Watanabe | 1 |
| #17 | Junichi Busujima | 1 |
| #17 | Junichi Kubota | 1 |
| #17 | Mayu Kobayashi | 1 |
| #17 | Shugo TANAKA | 1 |
| #17 | Syugo Tanaka | 1 |
| #17 | Takeshi Miyagawa | 1 |
| #17 | Takeshi Nishizawa | 1 |
| #17 | Takashi Ogawa | 1 |
| #17 | Takashi Takizawa | 1 |
| #17 | Tetsuya Kubota | 1 |
| #17 | Tomohiro Moriyama | 1 |
| #17 | Yasuhiro Saito | 1 |
| #17 | Yasushi Yoshida | 1 |
| #17 | Yuka Koike | 1 |
| #17 | Yuta SAKURAI | 1 |
| #17 | Yusuke Yamazaki | 1 |
Most Valuable Patents
| Patent | Est. Value | Year |
|---|---|---|
| Wire drum window regulator | $846K | 2009 |