Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8779840 | High frequency switch | Tsuyoshi Sugiura, Eiichiro Otobe, Koki Tanji | 2014-07-15 |
| 7864000 | High frequency switching circuit | Eiichiro Otobe | 2011-01-04 |
| 7847655 | Switching circuit | Eiichiro Otobe | 2010-12-07 |