Issued Patents All Time
Showing 51–59 of 59 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 |
| 5420288 | 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 | 1995-05-30 |
| 5153073 | Electroluminescent device | Teruyuki Ohnuma, Tomoyuki Shimada, Masafumi Ohta, Fumio Kawamura, Toshihiko Takahashi | 1992-10-06 |
| 5118986 | Electroluminescent device | Teruyuki Ohnuma, Fumio Kawamura, Masafumi Ohta, Toshihiko Takahashi, Mitsuru Hashimoto | 1992-06-02 |
| 5093210 | Electroluminescent device | Masafumi Ohta, Teruyuki Ohnuma, Fumio Kawamura, Toshihiko Takahashi | 1992-03-03 |
| 5077142 | Electroluminescent devices | Teruyuki Ohnuma, Mitsuru Hashimoto, Shogo SAITO, Tetsuo Tsutsui, Chihaya Adachi | 1991-12-31 |