Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9918600 | Self-propelled electric vacuum cleaner | Yasuhiro Oka | 2018-03-20 |
| 7564424 | Antenna having multiple radiating elements | — | 2009-07-21 |
| 7026999 | Pattern antenna | Hisamatsu Nakano | 2006-04-11 |
| 6774849 | Invented-F plate antenna and wireless communication device | Hisamatsu Nakano | 2004-08-10 |
| 6768462 | Diversity antenna and wireless communication apparatus employing it | Kenji Itagaki | 2004-07-27 |