SI

Syuhei Ishikawa

NI Ngk Insulators: 1 patents #1,271 of 2,083Top 65%
📍 Handa, JP: #173 of 266 inventorsTop 70%
Overall (All Time): #3,981,639 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4692192 Electroconductive spring material Kazuo Ikushima, Takaharu Iwadachi 1987-09-08