Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10763555 | Battery-type power supply device and battery-driven load device | Toshitaka Fukushima | 2020-09-01 |
| 10666080 | Cell type power supply device having wireless communication function | Kazuhiro Koyama, Tetsuya Nobe | 2020-05-26 |
| 10511339 | Circuit and electronic equipment | Kazuhiro Koyama, Tetsuya Nobe | 2019-12-17 |
| 10128889 | Cell type power supply device, circuit and electronic equipment | Kazuhiro Koyama, Tetsuya Nobe | 2018-11-13 |
| 8038060 | ID image providing device | Kazuo Tani, Noriyoshi Shoji, Kazunori Muneto, Yasuhisa Kanayama | 2011-10-18 |