Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6633115 | Shadow mask | Akira Makita, Yutaka Matsumoto | 2003-10-14 |
| 6593684 | Shadow mask for Braun tube | Akira Makita, Nobuaki Kanayama | 2003-07-15 |
| 6559583 | Shadow mask | Nobuaki Kanayama, Yutaka Matsumoto | 2003-05-06 |