KT

Kazutada Tatsukura

IK Iwasaki Tsushinki Kabushiki Kaisha: 1 patents #16 of 35Top 50%
Overall (All Time): #4,093,665 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4280022 Key telephone systems Koichi Sekiguchi, Hikaru Takematsu 1981-07-21