Issued Patents All Time
Showing 1–3 of 3 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 |
| 4306172 | Shadow mask of braun tube for color TV and process for manufacturing the same | Takashi Matsukura, Norio Tsukiji, Yoshiaki Ishimoto, Yasuo Imamura | 1981-12-15 |
| 4271571 | Process for manufacturing shadow mask of Braun tube for color TV | Takeshi Tsuda, Michio Kubota, Kazuhiro Takagi, Yasuo Imamura, Kazunori Kato | 1981-06-09 |