Issued Patents 2023
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11784708 | Propagation path response estimation and interference canceling using spread-spectrum pilot signal in multi-feeder link of HAPS | Takafumi Fujii | 2023-10-10 |
| 11764861 | Interference canceling in HAPS multi-feeder link | Takafumi Fujii | 2023-09-19 |
| 11683084 | Reverse-link interference canceling in HAPS multi-feeder link | Takafumi Fujii | 2023-06-20 |
| 11652537 | Interference canceling by fixed division of feeder link transmission band in multiple gateway HAPS system | Takafumi Fujii | 2023-05-16 |
| 11637625 | Interference canceling by variable division of feeder link transmission band in multiple-gateway HAPS system | Takafumi Fujii | 2023-04-25 |