HO

Hiroki Oka

Dai Nippon Printing Co.: 5 patents #4 of 182Top 3%
Overall (2023): #31,823 of 537,848Top 6%
5
Patents 2023

Issued Patents 2023

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
11732361 Metal plate for manufacturing deposition mask, method for manufacturing metal plate, deposition mask and method for manufacturing deposition mask Chikao Ikenaga, Sachiyo Matsuura, Shogo Endo, Chiaki Hatsuta, Asako NARITA 2023-08-22
11733607 Metal plate for producing vapor deposition masks, inspection method for metal plates, production method for metal plates, vapor deposition mask, vapor deposition mask device, and production method for vapor deposition masks Chikao Ikenaga, Hideyuki Okamoto, Masato Ushikusa, Chiaki Hatsuta, Sachiyo Matsuura 2023-08-22
11667983 Method for manufacturing metal plate Chikao Ikenaga, Sachiyo Matsuura, Shogo Endo, Chiaki Hatsuta, Asako NARITA 2023-06-06
11649539 Deposition mask group, manufacturing method of electronic device, and electronic device Takuya Higuchi, Hiromitsu Ochiai 2023-05-16
11566316 Deposition mask group, manufacturing method of electronic device, and electronic device Takuya Higuchi, Hiromitsu Ochiai 2023-01-31