Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11642794 | Suction device | Hitoshi Iwasaka, Hideyuki Tokunaga, Yuji Kasai, Katsuhiro Koshiishi, Hirohiko Ono +2 more | 2023-05-09 |
| 11339010 | Swirl-flow forming body | Hideyuki Tokunaga, Katsuhiro Koshiishi, Hitoshi Iwasaka | 2022-05-24 |
| 11008180 | Swirl flow-forming body and suction device | Hitoshi Iwasaka, Yuji Kasai, Hideyuki Tokunaga, Katsuhiro Koshiishi, Katsutoshi Minoura | 2021-05-18 |
| 10643881 | Baffle plate | Hitoshi Iwasaka, Hideyuki Tokunaga, Yuji Kasai, Katsuhiro Koshiishi | 2020-05-05 |