Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7884584 | Switching power supply circuit | Katsuhisa Furuse, Yasuhiro Ishizaka, Shohtaroh Sohma, Shinichiro Yamada, Toshiya Murota +1 more | 2011-02-08 |
| 7663406 | Output circuit | — | 2010-02-16 |
| 7646179 | Electric power supply circuit and electronic device | — | 2010-01-12 |
| 7619400 | Compact voltage step-up/step-down switching regulator | — | 2009-11-17 |
| 7564196 | Power supply device, and LED device and electronic device using same | Yohichi Shiwaya, Toshiki Kishioka | 2009-07-21 |