Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4468589 | Low speed electron excited fluorescent material and fluorescent display tube | Tatsuo Yamaura, Yuuzi Nomura | 1984-08-28 |
| 4215290 | Thick-film circuit device | Takao Kishino, Tadashi Mizohata, Tatsuo Yamaura | 1980-07-29 |