Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11642794 | Suction device | Hitoshi Iwasaka, Hideyuki Tokunaga, Yuji Kasai, Katsuhiro Koshiishi, Hidemitsu TANAKA +2 more | 2023-05-09 |
| 11008180 | Swirl flow-forming body and suction device | Hitoshi Iwasaka, Yuji Kasai, Hideyuki Tokunaga, Katsuhiro Koshiishi, Hidemitsu TANAKA | 2021-05-18 |