Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9781719 | Multichannel wireless communication system, base station, and method for using channel | Keigo Hasegawa, Masayuki Takekawa, Kei Yanagisawa, Madoka Tanaka | 2017-10-03 |
| 9609523 | Relaying operation between base stations using white spaces in wireless access system | Masayuki Takekawa, Keigo Hasegawa, Kei Yanagisawa | 2017-03-28 |