Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Chihiro Uematsu — 2 Patents in 2021

Hitachi: 1 patents #350 of 1,165Top 35%
HHHitachi High-Technologies: 1 patents #146 of 381Top 40%
Overall (2021): #171,671 of 548,734Top 35%
2 Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10955342 Light detection device Takashi Anazawa, Yoshinobu Kohara, Yusuke Goto 2021-03-23
10900011 Test apparatus Muneo Maeshima, Akira Masuya 2021-01-26