Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11317775 | Dust-collecting device and vacuum cleaner | Nobuhide Okitsu, Akiyoshi Tanaka, Kiyoshi Ebe, Fumiki Mano, Mai Oikawa | 2022-05-03 |
| 10531779 | Electric vacuum cleaning apparatus | Yukio Machida, Masatoshi Tanaka, Hiromitsu Ichikawa, Tsuyoshi Sato | 2020-01-14 |