Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Hirokazu Kadoi — 3 Patents

DKDensei Lambda K.K.: 2 patents #2 of 14Top 15%
FCFuji Electric Co.: 1 patents #1,387 of 2,643Top 55%
Tokyo, JP: #36,070 of 90,295 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Hirokazu Kadoi has been granted 3 US patents while listed as an inventor at Densei Lambda K.K.. The first was granted in 2007 and the most recent in June 2017. Hirokazu Kadoi ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Hirokazu Kadoi in Tokyo, JP.

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