Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9306472 | Power supply device operating switching elements of first and second switching legs to charge first and second capacitors to a voltage higher than a voltage crest value of an AC power supply and method of operating the power supply device | Takae Shimada, Akihiko Kanouda, Fumikazu Takahashi | 2016-04-05 |
| 9166501 | Power supply unit for converting power between DC and AC and operating method of the same | Takae Shimada, Akihiko Kanouda, Yoshihide Takahashi | 2015-10-20 |
| 7053502 | Power supply with uninterruptible function | Takeshi Onaka, Norikazu Tokunaga, Kenichi Onda, Satoru Masuyama, Shigekazu Zemba | 2006-05-30 |
| 6795322 | Power supply with uninterruptible function | Takeshi Onaka, Norikazu Tokunaga, Kenichi Onda, Satoru Masuyama, Shigekazu Zemba | 2004-09-21 |