HO

Hideyuki Okamoto

Dai Nippon Printing Co.: 3 patents #15 of 182Top 9%
Overall (2023): #77,985 of 537,848Top 15%
3
Patents 2023

Issued Patents 2023

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11732347 Standard mask apparatus and method of manufacturing standard mask apparatus Chikao Ikenaga, Yoshihiro Baba, Daigo Aoki 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, Masato Ushikusa, Chiaki Hatsuta, Hiroki Oka, Sachiyo Matsuura 2023-08-22
11674214 Deposition mask and method of manufacturing deposition mask Isao MIYATANI, Daigo Aoki, Masato Ushikusa, Yoshinori Murata 2023-06-13