Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6193897 | Shadow mask manufacturing method, shadow mask manufacturing apparatus, and cleaning device used in the method and apparatus | Masaru Nikaido, Sachiko Hirahara, Yukio Okudo, Daizi Hirosawa | 2001-02-27 |