Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4810416 | Borate phosphor | Takashi Hase, Toshio Jinnai, Shigeo Fujino, Masato Hayashi | 1989-03-07 |
| 4510414 | Electron excited fluorescent display device including screen with rare earth phosphor exhibiting sublinear current density-emission luminance characteristics | Sigeo Fujino, Takashi Hase | 1985-04-09 |