HO

Hideyuki Okamoto

Dai Nippon Printing Co.: 2 patents #27 of 229Top 15%
Overall (2024): #161,393 of 561,600Top 30%
2
Patents 2024

Issued Patents 2024

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12128500 Manufacturing method for vapor deposition mask device and manufacturing apparatus for vapor deposition mask device 2024-10-29
12117727 Metal plate for manufacturing deposition mask and manufacturing method for metal plate, and deposition mask and manufacturing method for deposition mask Hiroki Oka, Sachiyo Matsuura, Chiaki Hatsuta, Chikao Ikenaga, Masato Ushikusa 2024-10-15