Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Hirokazu Kadoi — 3 Patents

DKDensei Lambda K.K.: 2 patents #2 of 14Top 15%
FCFuji Electric Co.: 1 patents #1,354 of 2,643Top 55%
Overall (All Time): #1,493,994 of 4,157,543Top 40%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9673625 Uninterruptible power supply apparatus Ryuji Yamada, Kazuaki Mino, Ryuji Shimizu, Koji Kawaguchi 2017-06-06
7444208 Electrical system wiring diagram generating system, and power supply device and program used for the same Fujitaka Togashi, Akinori Miyazaki, Kazuhiko Takano 2008-10-28
7181630 Uninterrupted power supply managing system displays connection tree generated from connection information between interrupted power supply device and load devices received from lower controller Fujitaka Togashi, Akinori Miyazaki, Kazuhiko Takano, Hiroyuki Oka 2007-02-20