Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8916982 | Inverter generator | Narutoshi Yokokawa, Junichi Kanai | 2014-12-23 |
| 8803345 | Inverter generator | Narutoshi Yokokawa, Junichi Kanai | 2014-08-12 |
| 8786225 | Inverter power generator | Narutoshi Yokokawa, Tomoyuki Hoshikawa, Kazumi Murata, Junichi Kanai | 2014-07-22 |
| 8624533 | Inverter power generator | Narutoshi Yokokawa, Tomoyuki Hoshikawa, Kazumi Murata, Junichi Kanai | 2014-01-07 |