Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10213079 | Electric vacuum cleaner | Yasuhiro Ohtsu, Yukio Machida, Tsutomu Inoue, Atsushi Morishita | 2019-02-26 |
| 10034589 | Electric vacuum cleaner | Yasuhiro Ohtsu, Yukio Machida, Tsutomu Inoue, Atsushi Morishita | 2018-07-31 |