Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6819661 | Method and apparatus of a mobile communication system which reduces power consumption by observing only the starting slot on a TDMA radio channel | Ichiro Okajima, Akihiro Maebara, Katsumi Kobayashi, Tadao Takami | 2004-11-16 |
| 6775543 | Cellular phone, cellular phone failure judgment method and failure judgment apparatus | Hiroyuki Itazu, Shuji Tachibana, Shogo Ito | 2004-08-10 |