Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11201397 | Circuit and wireless device | Takana Kaho, Doohwan Lee, Yasunori YAGI, Takashi Shimizu | 2021-12-14 |
| 11202211 | OAM multiplexing communication system and OAM multiplexing communication method | Doohwan Lee, Hiroyuki Fukumoto, Hiroyuki Shiba | 2021-12-14 |
| 11139867 | Antenna displacement correction method and device for OAM multiplexing communication system | Doohwan Lee, Hiroyuki Fukumoto, Hiroyuki Shiba | 2021-10-05 |
| 11018749 | OAM multiplexing communication system and inter-mode interference compensation method | Doohwan Lee, Hiroyuki Fukumoto, Hiroyuki Shiba | 2021-05-25 |