NU

Narumi Umeda

NN Ntt Mobile Communications Network: 4 patents #4 of 50Top 8%
Overall (1997): #6,594 of 185,788Top 4%
4
Patents 1997

Issued Patents 1997

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5689503 Random access system of a mobile communication system Azusa WADA, Akihiro Maebara, Ichiro Okajima, Katsumi Kobayashi, Noriko Uchida +1 more 1997-11-18
5673260 Method and system for CDMA mobile communication Akihiro Higashi, Akira Hiroike, Akira Kaiyama 1997-09-30
5666655 Mobile communication system with autonomous distributed type dynamic channel allocation scheme Yoshihiro Ishikawa 1997-09-09
5596516 Code sequence generator Akihiro Higashi, Koji Ohno 1997-01-21