Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D876736 | Vacuum cleaner | Masato Ninomiya | 2020-02-25 |
| D847740 | Charging stand for a vacuum cleaner | — | 2019-05-07 |
| D823562 | Vacuum cleaner body | — | 2018-07-17 |
| 7183511 | Operating button device for elevator | Kyouichi Ikeda, Kazuhiko Nakao, Kenji Ido, Takashi Abe, Kiyoshi Kobayashi | 2007-02-27 |
| D510321 | Inverter | Kazuhiko Nakao | 2005-10-04 |
| D471527 | Telephone | Koji Nagase | 2003-03-11 |
| D471171 | Telephone | Koji Nagase | 2003-03-04 |
| D396481 | Electronic still camera | Yuuki Shibata | 1998-07-28 |
| D396482 | Electronic still camera | — | 1998-07-28 |
| D394074 | Electronic still camera | — | 1998-05-05 |
| D374242 | Television camera body | — | 1996-10-01 |