Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8443486 | Electric vacuum cleaner | Koichi Nakano, Tetsuya Kouda, Katsuyuki Oota | 2013-05-21 |
| 5930864 | Upright vacuum cleaner | Takayuki Inoue, Masami Fukumoto | 1999-08-03 |
| 5799363 | Upright vacuum cleaner | Takayuki Inoue, Masami Fukumoto | 1998-09-01 |
| 5553347 | Upright vacuum cleaner | Takayuki Inoue, Masami Fukumoto | 1996-09-10 |
| 4679990 | Electric blower | Masami Fukumoto, Masao Torigoe | 1987-07-14 |