Membership
Tour
Register
Log in
Kazuko Wakayama
Follow
Person
Yokohama, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Telecommunications service control method in intelligent network
Patent number
5,701,412
Issue date
Dec 23, 1997
Hitachi, Ltd.
Yukiko Takeda
H04 - ELECTRIC COMMUNICATION TECHNIQUE