Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10536029 | Power conversion system and connector | Hideki Tamura, Kazunori Kidera | 2020-01-14 |
| 9647399 | Connector for electrical connection | Hideki Tamura, Kazunori Kidera | 2017-05-09 |
| 9236764 | DC power supply system | Kazunori Kidera, Hideki Tamura, Hiroyuki Nishino, Mariko Nishi | 2016-01-12 |
| 9187002 | Connector | Tetsuji Shibata, Jun Goda, Haeree Lee | 2015-11-17 |
| 9190847 | Power distribution system distributing an alternating current (AC) power and a direct current (DC) power to load devices | Hideki Tamura, Hiroaki Koshin | 2015-11-17 |
| 9160167 | Power supply device | Hiroaki Koshin | 2015-10-13 |
| 9142958 | Power supply apparatus | Hiroaki Koshin | 2015-09-22 |
| 8922060 | Power supply apparatus | Hiroaki Koshin | 2014-12-30 |
| 8570133 | Transformer | Yasuhiro Matsuda, Hideki Tamura, Tomohiro Ota | 2013-10-29 |
| 8284528 | DC switch | Hiroaki Koshin | 2012-10-09 |