Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7953370 | Carrier sensing method and RFID transceiver device using the same | Yoshinori Tanaka | 2011-05-31 |
| 7492812 | RFID transceiver device | Yusuke Kawasaki, Osamu Kuroda, Yoshinori Tanaka | 2009-02-17 |
| 7319428 | Positioning of mobile wireless terminal | Isamu Yamada | 2008-01-15 |
| 7304610 | Positioning of mobile wireless terminal | Isamu Yamada | 2007-12-04 |
| 7299072 | Apparatus for time division multi-sector wireless LAN | — | 2007-11-20 |
| 7280076 | Information processing apparatus with contactless reader/writer, and coil antenna for magnetic coupling | Shinichi Shiotsu | 2007-10-09 |
| 7265716 | Positioning of mobile wireless terminal | Isamu Yamada | 2007-09-04 |
| 7158078 | Positioning of mobile wireless terminal | Isamu Yamada | 2007-01-02 |
| 5973636 | Radar apparatus with a simplified construction | Naofumi Okubo, Tamio Saito, Osamu Isaji | 1999-10-26 |
| 5940029 | Radar apparatus | Naofumi Okubo | 1999-08-17 |
| 5381153 | Portable FM-CW radar device with frequency conversion by first and second frequencies | Tamio Saito, Yoji Ohashi, Yoshihiro Kawasaki, Naofumi Okubo, Hiroshi Kurihara +1 more | 1995-01-10 |