Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7890148 | Mobile station used for CDMA mobile communication systems | Kiyoshi Kawabata | 2011-02-15 |
| 7289832 | Mobile station used for CDMA mobile communication systems | Kiyoshi Kawabata | 2007-10-30 |
| 7020122 | CDMA system mobile radio terminal equipment | Katsumi Hirai | 2006-03-28 |
| 6778815 | Mobile radio terminal apparatus | — | 2004-08-17 |
| 6556834 | CDMA mobile terminal apparatus | Shigeyuki Kobayashi, Buntaro Sawa, Katsumi Hirai | 2003-04-29 |
| 5390365 | Radio communication apparatus having a received signal strength measuring function | Arata Obayashi | 1995-02-14 |