Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Youhei Fujimura — 4 Patents

FUFutaba: 4 patents #35 of 292Top 15%
NCNeturen Co.: 1 patents #80 of 161Top 50%
Ebeye: #1,220 of 4,528 inventorsTop 30%
Overall (All Time): #1,195,245 of 4,157,543Top 30%
4 Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
9662633 Desiccant and the same desiccant-employing organic EL element Yusuke Hoshina, Riki Kajiyama 2017-05-30
9656240 Water-trapping agent and organoelectronic device comprising the same Satoshi Tanaka, Shigeru Hieda, Yoshihisa Yonezawa 2017-05-23
7586260 Electron devices with non-evaporation-type getters and method for manufacturing the same Takeshi Tonegawa, Shigeo Itoh, Sadanori Takayama, Masateru Taniguchi, Yasumoto Kubo +7 more 2009-09-08
7239073 Carbon substance and method for manufacturing the same, electron emission element and composite materials Hirofumi Takikawa, Shigeo Itoh 2007-07-03