Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10213079 | Electric vacuum cleaner | Naoko Kawamura, Yukio Machida, Tsutomu Inoue, Atsushi Morishita | 2019-02-26 |
| 10034589 | Electric vacuum cleaner | Naoko Kawamura, Yukio Machida, Tsutomu Inoue, Atsushi Morishita | 2018-07-31 |
| 7628830 | Electric vacuum cleaner | Masatoshi Tanaka, Yuji Otsuka, Yukio Machida, Mitsuru Watanabe | 2009-12-08 |
| 7159276 | Rotary cleaning body, suction port body of vacuum cleaner, and production method of rotary cleaning body | Shuhei Omoto | 2007-01-09 |