Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
YU

Yasuhiro Uchiyama — 27 Patents

Kioxia: 5 patents #270 of 1,813Top 15%
Hitachi: 4 patents #8,942 of 28,497Top 35%
HTHitachi Communication Technologies: 4 patents #21 of 214Top 10%
Toshiba Memory: 4 patents #468 of 1,971Top 25%
TCTaiheiyo Cement: 3 patents #22 of 203Top 15%
MCMitsubishi Chemical: 2 patents #928 of 3,022Top 35%
NCNippon Shokubai Co.: 2 patents #486 of 1,108Top 45%
Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
PSPs4 Luxco S.A.R.L.: 1 patents #127 of 276Top 50%
IMImv: 1 patents #10 of 26Top 40%
EMElpida Memory: 1 patents #419 of 692Top 65%
Yokkaichi, GA: #1 of 1 inventorsTop 100%
Overall (All Time): #142,803 of 4,157,543Top 4%
27 Patents All Time

Issued Patents All Time

Showing 26–27 of 27 patents

Patent #TitleCo-InventorsDate
7463829 Optical transmission apparatus and control method therefor Tetsuya Uda, Kenta Noda, Hiroshi Masuda, Hiroyuki Nakano 2008-12-09
7048784 Method and system for treating exhaust gas from cement manufacturing equipment Junichi Terasaki, Osamu Yamaguchi, Harutoshi Kidachi, Masafumi Nakazaki, Kouji Kondou 2006-05-23