Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9453886 | Switch circuit, selection circuit, and voltage measurement device | Hirohiko Hayakawa | 2016-09-27 |
| 9258859 | Semiconductor device and power supply device | Kenichi Yokota, Tomohiro Tazawa | 2016-02-09 |
| 9041314 | Semiconductor device and power supply device | Kenichi Yokota, Tomohiro Tazawa | 2015-05-26 |
| 8754590 | Semiconductor device and power supply device | Kenichi Yokota, Tomohiro Tazawa | 2014-06-17 |
| 7704407 | Oxygen-absorbing container cap | Tadayoshi Takashima, Kazuhiro Sasakura | 2010-04-27 |