Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10056476 | Heterojunction bipolar transistor | Yasunari Umemoto, Isao Obu | 2018-08-21 |
| 10014832 | Power amplification module | — | 2018-07-03 |
| 10002950 | Bipolar transistor and method for producing the same | Yasunari Umemoto, Atsushi Kurokawa | 2018-06-19 |