Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11336155 | Circuit board, motor unit, and fan | Toshiaki Seima, Koichi TAMAI, Kazuaki Saito | 2022-05-17 |
| 10910925 | Circuit board, motor unit, and fan | Toshiaki Seima, Takeshi Ohara, Koichi TAMAI | 2021-02-02 |
| 10458423 | Impeller and fan including the impeller | Naoya Murakami, Yukihiro Higuchi, Toshiaki Seima, Koichi TAMAI | 2019-10-29 |