Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7679560 | Method and apparatus for adaptive direction estimation of radio waves | — | 2010-03-16 |
| 7450067 | Incoming wave number estimation method, incoming wave number estimation device, and radio device | — | 2008-11-11 |
| 7391370 | Method and apparatus for adaptive direction estimation of radio waves | — | 2008-06-24 |
| 7379020 | Apparatus and method for estimating direction of arrival of radio wave | Masataka Tsuchihashi, Yasushi Seike, Kazuo Shirakawa | 2008-05-27 |
| 7228244 | Method and apparatus for direction-of-arrival tracking and their application to beamforming at base-station | — | 2007-06-05 |
| 7084812 | Method and device for tracking the directions-of-arrival of radio waves | — | 2006-08-01 |
| 7068221 | Technique for direction-of-arrival estimation without eigendecomposition and its application to beamforming at base station | — | 2006-06-27 |