Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6583561 | Material for converting ultraviolet ray and display device using the same | Takao Sawada, Keiji Fukuyama, Ko Sano, Manabu Akiba | 2003-06-24 |
| 5166577 | Projection cathode-ray tube with interference film | Chie Nagao, Hiroshi Okuda, Yasuo Iwasaki | 1992-11-24 |
| 4764301 | Phosphor | Kenzo Awazu, deceased, Kazu Matsunaga | 1988-08-16 |