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

Junya Kato

SESeiko Epson: 19 patents #952 of 7,774Top 15%
SKShowa Denko K.K.: 5 patents #278 of 1,736Top 20%
FIFujifilm Business Innovation: 5 patents #693 of 1,659Top 45%
Fujitsu Limited: 2 patents #10,930 of 24,456Top 45%
TIToyota Industries: 2 patents #605 of 1,610Top 40%
NCNtt Communications: 1 patents #34 of 129Top 30%
SDShowa Denko: 1 patents #231 of 593Top 40%
Nec: 1 patents #7,889 of 14,502Top 55%
TLTokyo Electron Limited: 1 patents #3,538 of 5,567Top 65%
YAYazaki: 1 patents #2,077 of 3,427Top 65%
Toyota: 1 patents #15,335 of 26,838Top 60%
Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
Rifu, JP: #70 of 2,101 inventorsTop 4%
Overall (All Time): #80,592 of 4,157,543Top 2%
39 Patents All Time

Issued Patents All Time

Showing 26–39 of 39 patents

Patent #TitleCo-InventorsDate
9403387 Recording apparatus and recording method Akira Matsumoto 2016-08-02
9375956 Recording device, conveyance device, and conveyance method for conveying conveyance medium 2016-06-28
9327529 Recording apparatus Seijun HORIE 2016-05-03
9148492 Relay device, relay method, and non-transitory computer readable medium Shigeki Ishino, Ryoji Matsumura 2015-09-29
9108443 Recording apparatus and transporting apparatus 2015-08-18
8936339 Recording apparatus and recording medium conveyance method Seijun HORIE, Kenji Hatada, Hideo Uruma, Koji Niioka, Shinichi Kamoshida +1 more 2015-01-20
8826291 Processing system 2014-09-02
7997578 Recording apparatus with removable stacker Yusuke Saito 2011-08-16
7594653 Medium feeding apparatus, liquid ejecting apparatus and recording apparatus Hiroshi Shiohara, Yutaka Nagashima 2009-09-29
7497565 Medium feeding device and recording apparatus or liquid ejecting apparatus incorporating the same Masaaki Kinoshita 2009-03-03
7239483 Magnetic disk with specified contact ratio [BH 1.0 nm] and circumferential texturing and magnetic disk apparatus equipped with magnetic disk Koji Sonoda, Masato Fukushima, Yukihisa Matsumura 2007-07-03
6913780 Magnetic recording medium, and method for producing and inspecting the same Mikio Suzuki 2005-07-05
5783251 Method for suppressing electrification and for observing or inspecting an article Hideki Tomozawa, Yoshihiro Saida, Yukie Akakabe, Yoshiaki Ikenoue, Reiko Ichikawa 1998-07-21
5637652 Electroconductive polymer and process for producing the same Yoshihiro Saida, Yoshiaki Ikenoue, Reiko Ichikawa 1997-06-10