Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4661743 | Fluorescent display tubes and method of manufacturing the same | Nobuyuki Matsuoka, Yo Takasaki, Sadao Minamitsu | 1987-04-28 |
| 4430598 | Fluorescent display tube | Toshio Okada, Takashi Yoshii | 1984-02-07 |