Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4187012 | Method and apparatus for exposure of phosphor screen | Takehiko Ueyama, Masahiro Nishizawa, Eiichi Yamazaki | 1980-02-05 |
| 4183637 | Method and apparatus for forming phosphor screen of color picture tubes | Takehiko Ueyama, Masahiro Nishizawa, Eiichi Yamazaki | 1980-01-15 |