KA

Keizou Asaoka

KK Kanegafuchi Kagaku Kogyo: 1 patents #368 of 691Top 55%
Overall (All Time): #3,881,069 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5032884 Semiconductor pin device with interlayer or dopant gradient Hideo Yamagishi, Masataka Kondo, Kunio Nishimura, Akihiko Hiroe, Kazunori Tsuge +2 more 1991-07-16