Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7889058 | Radio-tag reading system, radio-tag reader, and radio tag | Yukimasa Nagai | 2011-02-15 |
| 7768401 | Place-status management system, radio tag reader, and managing apparatus | Yukimasa Nagai | 2010-08-03 |
| 7751424 | Method and apparatus for packet transmission in carrier-sense-multiple-access network | Yukimasa Nagai | 2010-07-06 |
| 7720502 | Radio device and interference avoiding method by transmission power control | Yukimasa Nagai | 2010-05-18 |
| 7508809 | Base station and radio terminal | Yukimasa Nagai | 2009-03-24 |