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Yoichi Naganuma

SE Seiko Epson: 3 patents #191 of 1,371Top 15%
Overall (2019): #61,483 of 560,194Top 15%
3
Patents 2019

Issued Patents 2019

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10500853 Piezoelectric device, liquid ejecting head, and liquid ejecting apparatus Masao Nakayama, Eiju Hirai, Naoto Yokoyama, Motoki Takabe 2019-12-10
10449764 MEMS device, liquid ejecting head, liquid ejecting apparatus, manufacturing method of MEMS device, and manufacturing method of liquid ejecting head Eiju Hirai, Toshiaki Hamaguchi, Motoki Takabe 2019-10-22
10272686 MEMS device, liquid ejecting head, manufacturing method of MEMS device, and manufacturing method of liquid ejecting head Shuichi Tanaka, Eiju Hirai, Toshiaki Hamaguchi 2019-04-30