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

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 26–50 of 65 patents

Patent #TitleCo-InventorsDate
10814650 Ink jet recording method Akiko Matsuzaki 2020-10-27
10737510 Recording method and recording apparatus Mitsuaki KOSAKA 2020-08-11
10723903 Ink set and recording method Yoshiko Azami 2020-07-28
10618309 Ink jet recording method and ink jet recording apparatus Takeshi Yano, Mitsuaki KOSAKA 2020-04-14
10618291 Method for maintaining ink jet head 2020-04-14
10603927 Recording method having differing amounts of white ink in adjacent regions or having a different number of scans in adjacent regions Tsuyoshi Sano 2020-03-31
10603930 Recording method and recording apparatus Mami TOJINO, Akira Mizutani 2020-03-31
10597548 Recording method Akira Mizutani 2020-03-24
10563078 Ink set and recording method using the same Tetsuya Aoyama 2020-02-18
10457073 Ink jet recording method Mitsuaki KOSAKA 2019-10-29
10391802 Recording method and recording apparatus Mitsuaki KOSAKA 2019-08-27
10329443 Ink set and recording apparatus Tsuyoshi Sano 2019-06-25
10308055 Recording method 2019-06-04
10279602 Recording method and recording apparatus Mitsuaki KOSAKA 2019-05-07
10259248 Ink jet recording method Tsuyoshi Sano, Mitsuaki KOSAKA 2019-04-16
10099479 Method for maintaining ink jet head 2018-10-16
9982153 Ink set and recording method using the same Tetsuya Aoyama 2018-05-29
9895904 Recording method 2018-02-20
9873264 Recording method and recording apparatus Mitsuaki KOSAKA 2018-01-23
9862203 Ink jet recording method and ink jet recording apparatus Takeshi Yano, Mitsuaki KOSAKA 2018-01-09
9815999 Ink jet recording method and ink set Takeshi Yano, Mitsuaki KOSAKA 2017-11-14
9782977 Printed matter, method for recording color images, color printed matter, look-up table for use in color image recording, and white ink Takayoshi Kagata, Tsuyoshi Sano 2017-10-10
9649852 Ink jet recording method, ink set, and recorded matter Hidehiko Komatsu, Tetsuya Aoyama 2017-05-16
9631109 Recording method and ink set 2017-04-25
9550904 Recording method, recording apparatus, and ink set 2017-01-24