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USPTO Patent Rankings Data through Sept 30, 2025
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Michitoshi Sumikawa — 4 Patents

IBM: 4 patents #21,733 of 70,183Top 35%
Overall (All Time): #1,248,189 of 4,157,543Top 35%
4 Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7558426 Device for outputting character recognition results, character recognition device, and program therefor Shin Katoh, Toshimichi Arima 2009-07-07
7466861 Method for outputting character recognition results Shin Katoh, Toshimichi Arima 2008-12-16
7006670 Image processing method, image processing system and program Hiroyasu Takahashi 2006-02-28
6356655 Apparatus and method of bitmap image processing, storage medium storing an image processing program Hiroyasu Takahashi 2002-03-12