KF

Kiyohiko Fujita

NC Neturen Co.: 1 patents #80 of 161Top 50%
Overall (All Time): #4,119,817 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4222799 High-strength spring steel and its manufacturing process Toshio Hijikata, Takao Yamazaki 1980-09-16