Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9548685 | Over-voltage prevention device and current rectifying circuit | Ryuta Hasegawa, Teruyuki Ishizuki, Takashi Fujita, Takahisa Kageyama, Sho Sato | 2017-01-17 |
| 9478972 | Over-voltage prevention device | Takahisa Kageyama, Teruyuki Ishizuki, Takashi Fujita | 2016-10-25 |