NU

Narumi Umeda

ND Ntt Docomo: 85 patents #31 of 1,706Top 2%
NN Ntt Mobile Communications Network: 16 patents #3 of 253Top 2%
NT NTT: 6 patents #897 of 4,871Top 20%
Overall (All Time): #12,741 of 4,157,543Top 1%
107
Patents All Time

Issued Patents All Time

Showing 101–107 of 107 patents

Patent #TitleCo-InventorsDate
5420850 Mobile station and cell selecting method for code division multiplex access mobile communication Toyota Nishi, Akihiro Higashi 1995-05-30
5361396 Location registration system in mobile communication Seizo Onoe, Hidemi Yamaguti, Syuji Yasuda 1994-11-01
5230081 Method and apparatus for locating which zone and sector of a mobile communication system a mobile station is in Tomoyuki Yamada, Seizo Onoe, Takanori Utano 1993-07-20
5212822 Method for registering mobile station in mobile communication system Yoshinobu Fukumine, Takanori Utano, Seizo Onoe 1993-05-18
5210751 Signal transmission system capable of performing re-transmission control in units of slots Seizo Onoe, Kimitoshi Funakawa, Tamami Suzuki 1993-05-11
5151693 Wireless signal transmission system with random access Seizo Onoe 1992-09-29
5081704 Method of arranging radio control channels in mobile communications Onoe Seizo, Utano Takanori 1992-01-14