Inventor
UCHIYAMA YASUYUKI
JP11 patents
⚠️ This page may combine multiple inventors who share the name “UCHIYAMA YASUYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON TELEGRAPH & TELEPHONE
6 patentsUS5884169AMar 16, 1999
Roaming mobile communication system and method
NIPPON TELEGRAPH & TELEPHONE35 citations92
US5677954AOct 14, 1997
Cryptical control method for personal communication
NIPPON TELEGRAPH & TELEPHONE41 citations92
US5649301AJul 15, 1997
Mobile communication method for controlling origination or termination of a call in a desired network
NIPPON TELEGRAPH & TELEPHONE23 citations91
US5703941ADec 30, 1997
Connection control method for personal communications
NIPPON TELEGRAPH & TELEPHONE18 citations81
US5572584ANov 5, 1996
Connection control method for personal communications
NIPPON TELEGRAPH & TELEPHONE8 citations73
US5828958AOct 27, 1998
Mobile communications system and communications network
NIPPON TELEGRAPH & TELEPHONE13 citations72