KW

Kazuko Wakayama

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #3,732,567 of 4,157,543Top 90%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5701412 Telecommunications service control method in intelligent network Yukiko Takeda, Shiro Tanabe 1997-12-23