YH

Yasuaki HIRAI

SE Seiko Epson: 11 patents #1,668 of 7,774Top 25%
Overall (All Time): #364,897 of 4,157,543Top 9%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
12358288 Liquid ejection device and control method for liquid ejection device 2025-07-15
12049083 Liquid ejecting device Kazumitsu Bunazawa 2024-07-30
11938740 Liquid ejecting device and method of controlling liquid ejecting device Masayuki Ishida 2024-03-26
11813868 Liquid discharge device and maintenance method of liquid discharge device Masato Haga, Tadahiro Mizutani 2023-11-14
11673402 Liquid ejecting apparatus and method for controlling liquid ejecting apparatus Shigenori Fukasawa, Mitsuhiro Koseki, Masato Haga 2023-06-13
11528383 Liquid jet device and billing method thereof Takashi Akase, Kenji Tsukada, Masato Haga 2022-12-13
11518163 Liquid ejecting apparatus and method for activating liquid ejecting apparatus Yasuo Sunaga 2022-12-06
11400726 Printing apparatus and printing system Ryo Oguchi, Shunichi Hizawa 2022-08-02
11376854 Printing apparatus and printing system Ryo Oguchi, Tokio Kato 2022-07-05
11312149 Printer Shunichi Hizawa, Ryo Oguchi 2022-04-26
11235584 Printing apparatus and printing system Ryo Oguchi, Shunichi Hizawa, Shuichi Koganehira 2022-02-01
10889124 Liquid ejecting apparatus Ryo Oguchi 2021-01-12
10737518 Recording apparatus Atsushi Takei, Yasuo Sunaga 2020-08-11