Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8847543 | Secondary battery charging device and secondary battery charging system | Shigeki Yagi, Mitsuharu Chiba, Hiroyuki Konishi, Akiko Asahata, Yasuyuki Kanai +2 more | 2014-09-30 |
| 7799978 | Tuner mounting device | Fumiyoshi Nagakura, Akiko Asahata, Tomotada Ishii | 2010-09-21 |
| 5142233 | Tuning device with battery condition display | — | 1992-08-25 |