Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4306172 | Shadow mask of braun tube for color TV and process for manufacturing the same | Takashi Matsukura, Norio Tsukiji, Masahiro Shimose, Yasuo Imamura | 1981-12-15 |
YI
Yoshiaki Ishimoto
Nisshin Steel Co.: 1 patents #240 of 514Top 50%
Overall (All Time): #4,102,442 of 4,157,543Top 100%
1
Patents All Time