KN

Kyoichi Nakagawara

KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
Overall (All Time): #3,918,561 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4796294 Electronic telephone exchange and method of connecting ports of the exchange — 1989-01-03