Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11504025 | Mask | Isao Matsubara, Masayuki Inoue, Kenichiro KABUMOTO, Fumihiko Takatori | 2022-11-22 |
| 11497415 | Mask size gauge | Risa Osawa, Raku Ishida, Masayuki Suzukawa, Masayuki Inoue, Isao Matsubara | 2022-11-15 |
| 11471633 | Mask | Isao Matsubara | 2022-10-18 |