Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10471442 | Charging device and electric dust collector | Shinjirou KATSUSHIMA, Yuji MAKISHIMA, Syohei Nakagawa, Masanori Hashimoto, Takumi Seo +1 more | 2019-11-12 |
| D745129 | Industrial air cleaner | Shohei Nakagawa, Masaki Nishida | 2015-12-08 |
| D725760 | Filter for an industrial air cleaner | Shohei Nakagawa, Masaki Nishida | 2015-03-31 |