Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4309886 | Process for producing steel strip material for use in manufacture of shadow mask of Braun tube for color TV | Michio Kubota, Takeshi Tsuda, Kazuhiro Takagi, Yasuo Imamura, Kazunori Kato | 1982-01-12 |