HE

Heihachiro Ebiha

CC Citizen Watch Co.: 1 patents #668 of 1,225Top 55%
Overall (All Time): #4,081,275 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4244043 Frequency division system Hiro Fujita, Akira Tsuzuki, Fukuo Sekiya 1981-01-06