Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10612124 | Manufacturing method for deposition mask, metal plate used for producing deposition mask, and manufacturing method for said metal sheet | Chikao Ikenaga, Hiroaki Nakayama, Chiaki Hatsuta, Utako Oouchi | 2020-04-07 |
| 10570498 | Manufacturing method for deposition mask, metal plate used for producing deposition mask, and manufacturing method for said metal sheet | Chikao Ikenaga, Hiroaki Nakayama, Chiaki Hatsuta, Utako Oouchi | 2020-02-25 |