Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4650652 | Process for recovering highly pure rare earth oxides from a waste rare earth phosphor | Masaru Naitou, Masatake Yoshikawa | 1987-03-17 |
| 4208612 | Low-velocity electron excited fluorescent display device | Takashi Hase, Akiyasu Kagami, Yoshiyuki Mimura, Minoru Hiraki | 1980-06-17 |
| 4208613 | Low-velocity electron excited fluorescent display device | Takashi Hase, Akiyasu Kagami, Yoshiyuki Mimura, Minoru Hiraki | 1980-06-17 |