Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6501943 | Adaptive directivity transmission device and method | Katsuhiko Hiramatsu, Keiji Takausaki, Hideki Yukitomo | 2002-12-31 |
| 6498804 | Method of directional reception using array antenna, and adaptive array antenna unit | Sadaki Futagi, Katsuhiko Hiramatsu, Hideki Yukitomo | 2002-12-24 |