Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10378785 | Communication system and communication apparatus | Yoshiaki Koizumi, Takuya Mukai, Masahiro Ishihara | 2019-08-13 |
| 10256866 | Communication system and transmission apparatus | Yoshiaki Koizumi, Takuya Mukai, Masahiro Ishihara | 2019-04-09 |