Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Ippei Okuda

SESeiko Epson: 65 patents #101 of 7,774Top 2%
Overall (All Time): #33,454 of 4,157,543Top 1%
65 Patents All Time

Issued Patents All Time

Showing 51–65 of 65 patents

Patent #TitleCo-InventorsDate
9499710 Recording method and ink set Tetsuya Aoyama 2016-11-22
9487668 Ink set and image printing method Tsuyoshi Sano 2016-11-08
9382439 Ink set including background ink and recording apparatus Tsuyoshi Sano 2016-07-05
9260619 White ink composition and recorded material using the same Shuichi Koganehira, Hironori Sato, Tsuyoshi Sano 2016-02-16
9114653 Image recording method Tetsuya Aoyama, Akiko Kawase, Takeshi Yano 2015-08-25
9096771 Ink set and image printing method Tsuyoshi Sano 2015-08-04
9033444 Ink jet printing apparatus Tsuyoshi Sano 2015-05-19
9004657 Liquid container, liquid container set, and ink jet recording apparatus Katsuko Aoki, Tsuyoshi Sano, Yuji Aoki, Shoki KASAHARA 2015-04-14
8979252 Agitation kit and recording apparatus Tsuyoshi Sano 2015-03-17
8888265 Ink set and image printing method Tsuyoshi Sano 2014-11-18
8764150 Ink jet recording method and ink jet recording apparatus Tetsuya Aoyama, Hidehiko Komatsu 2014-07-01
8728612 Ink jet recording method Shohei Shiono, Shoki KASAHARA 2014-05-20
8697773 White ink composition Takayoshi Kagata, Tsuyoshi Sano 2014-04-15
8617302 White ink composition Tsuyoshi Sano 2013-12-31
8355130 Method for evaluating white color shielding degree, method for manufacturing white ink, support apparatus for manufacturing white ink, and method for manufacturing white color printed material Takayoshi Kagata, Tsuyoshi Sano 2013-01-15