Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7712183 | Electric vacuum cleaner | Kouichi Nakai, Sadaki Kodera, Akihiro FUKUMOTO, Chizuyo Matsumoto, Akihiro Morita +4 more | 2010-05-11 |
| 7374443 | 360° electrical contact within a vacuum cleaner hose | Kazuo Saitou, Yuji Fujiwara, Hiroyuki Takami, Shinichi Hagino | 2008-05-20 |
| 6460217 | Electric cleaning device | Sadao Fukushima, Jun Yoshida, Akihiro Morita | 2002-10-08 |