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Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
Overall (All Time): #2,185,957 of 4,157,543Top 55%
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Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6765504 Chinese language pinyin input method and device by numeric key pad — 2004-07-20
6674372 Chinese character input method using numeric keys and apparatus thereof — 2004-01-06