MH

Masado Hanya

SC Seikosha Co.: 1 patents #184 of 312Top 60%
Overall (All Time): #3,981,600 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4692031 Moon phase display clock Koichi Kaneko 1987-09-08