Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Motoyuki Matsui

Casio Computer Co.: 2 patents #935 of 1,970Top 50%
Akishima, JP: #243 of 519 inventorsTop 50%
Overall (All Time): #2,129,391 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7839632 Electronic handheld device Masatoshi Ohtaka, Yasunori Chiba 2010-11-23
7287850 Portable electronic apparatus Atsushi Oshiro, Masatoshi Ohtaka 2007-10-30