Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Muneo Maeshima — 35 Patents

HHHitachi High-Technologies: 19 patents #211 of 1,917Top 15%
Hitachi: 15 patents #2,636 of 28,497Top 10%
RORoche Diagnostics Operations: 1 patents #909 of 1,692Top 55%
Overall (All Time): #97,724 of 4,157,543Top 3%
35 Patents All Time

Issued Patents All Time

Showing 26–35 of 35 patents

Patent #TitleCo-InventorsDate
6683683 Defect inspection method and apparatus for silicon wafer Koji Tomita, Shigeru Matsui, Yoshitaka Kodama, Hitoshi Komuro, Kazuo Takeda 2004-01-27
6660148 Electrophoretic method and electrophoretic instrument therefor Tomohiro Shoji, Yoshiyuki Okishima, Masaya Kojima 2003-12-09
6572752 Capillary electrophoretic instrument and capillary array assembly Kazumichi Imai, Masaya Kojima, Satoshi Takahashi, Hiromi Yamashita 2003-06-03
6384909 Defect inspection method and apparatus for silicon wafer Koji Tomita, Shigeru Matsui, Yoshitaka Kodama, Hitoshi Komuro, Kazuo Takeda 2002-05-07
6256092 Defect inspection apparatus for silicon wafer Koji Tomita, Shigeru Matsui, Yoshitaka Kodama, Hitoshi Komuro, Kazuo Takeda 2001-07-03
6226079 Defect assessing apparatus and method, and semiconductor manufacturing method Kazuo Takeda, Makoto Ohkura, Seiichi Isomae, Kyoko Minowa, Shigeru Matsui +2 more 2001-05-01
6191849 Wafer inspecting apparatus Kazuo Takeda, Shigeru Matsui 2001-02-20
6160615 Surface measurement apparatus for detecting crystal defects of wafer Shigeru Matsui, Isao Nemoto 2000-12-12
6157444 Defect inspection apparatus for silicon wafer Koji Tomita, Shigeru Matsui, Hitoshi Komuro, Kazuo Takeda 2000-12-05
6108079 Method for measuring crystal defect and equipment using the same Kazuo Takeda, Isao Nemoto, Shigeru Matsui, Yoshitaka Kodama 2000-08-22