Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5702833 | Organic electroluminescent element | Kazukiyo Nagai, Chihaya Adachi, Nozomu Tamoto | 1997-12-30 |
| 5656401 | Electroluminescent device comprising oxadiazole compounds luminescent material, oxadiazole compounds for the device, and method of producing oxadiazole compounds | Masafumi Ohta, Toshihiko Takahashi, Chihaya Adachi, Kazukiyo Nagai | 1997-08-12 |
| 5610309 | Electroluminescent device comprising oxadiazole compounds luminescent material, oxadiazole compounds for the device, and method of producing oxadiazole compounds | Masafumi Ohta, Toshihiko Takahashi, Chihaya Adachi, Kazukiyo Nagai | 1997-03-11 |
| 5597925 | Method of producing oxadiazole compounds | Masafumi Ohta, Toshihiko Takahashi, Chihaya Adachi, Kazukiyo Nagai | 1997-01-28 |