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

Hitotoshi Kimura — 171 Patents

SESeiko Epson: 170 patents #6 of 7,774Top 1%
SCSanyo Electric Co.: 1 patents #3,644 of 6,347Top 60%
Overall (All Time): #4,730 of 4,157,543Top 1%
171 Patents All Time

Issued Patents All Time

Showing 51–75 of 171 patents

Patent #TitleCo-InventorsDate
9358794 Liquid ejecting apparatus Hitoshi Matsumoto 2016-06-07
9346281 Liquid supply unit and liquid ejection device Tokujiro Okuno 2016-05-24
9327504 Liquid ejecting apparatus and liquid supply apparatus Takeshi Tanaka 2016-05-03
9296216 Liquid ejecting apparatus and maintenance method thereof Hideya Yokouchi 2016-03-29
9254669 Liquid ejecting apparatus Atsushi Yoshida 2016-02-09
9254664 Droplet ejecting apparatus Hitoshi Matsumoto 2016-02-09
9227407 Waste liquid container, liquid ejection device, and waste liquid collection system Shuhei Harada, Masanori Nakata, Shigenori Fukasawa 2016-01-05
9174451 Cleaning device for liquid ejecting head, and liquid ejecting apparatus with the same Kazuhiko Hara, Toshihiro Shinbara, Takayuki Kawakami 2015-11-03
9139015 Liquid ejecting apparatus and maintenance method thereof Hideya Yokouchi 2015-09-22
9114620 Liquid ejecting apparatus Hitoshi Matsumoto 2015-08-25
9073336 Liquid ejecting apparatus Hitoshi Matsumoto 2015-07-07
9033466 Liquid ejecting apparatus and maintenance method thereof Hideya Yokouchi 2015-05-19
8974043 Attachment and attachment system Takeo Seino, Takahiro Naka, Satoshi Shinada 2015-03-10
8931882 Liquid ejecting apparatus Takeshi Tanaka 2015-01-13
8882249 Attachment, liquid container, and liquid supply apparatus Atsushi Kobayashi 2014-11-11
8733912 Liquid container 2014-05-27
8668317 Liquid container Taku Ishizawa, Takeo Seino 2014-03-11
8602520 Liquid ejecting apparatus and maintenance method thereof Hideya Yokouchi 2013-12-10
8579413 Attachment, liquid container, and liquid supply apparatus Atsushi Kobayashi 2013-11-12
8534801 Liquid ejecting system and liquid accommodating container Keiichiro Yoshino 2013-09-17
8480216 Liquid ejecting apparatus Hitoshi Matsumoto 2013-07-09
8449053 Liquid ejecting apparatus and liquid charging method Hiroyuki Ito 2013-05-28
8408686 Attachment, liquid container, and liquid supply apparatus Atsushi Kobayashi 2013-04-02
8403459 Attachment and attachment system Takeo Seino, Takahiro Naka, Satoshi Shinada 2013-03-26
8353583 Liquid container 2013-01-15