US Patent Issued to TOSOH, SAGAMI CHEMICAL RESEARCH INSTITUTE on July 14 for "Cyclic azine compound, material for organic light emitting diode, electron transport material for organic light emitting diode, and organic light emitting diode" (Japanese Inventors)

ALEXANDRIA, Va., July 14 -- United States Patent no. 12,679,821, issued on July 14, was assigned to TOSOH Corp. (Shunan, Japan) and SAGAMI CHEMICAL RESEARCH INSTITUTE (Ayase, Japan).

"Cyclic azine compound, material for organic light emitting diode, electron transport material for organic light emitting diode, and organic light emitting diode" was invented by Naoki Uchida (Ayase, Japan), Hidenori Aihara (Ayase, Japan), Takuya Yamagata (Ayase, Japan), Naoki Hayakawa (Ayase, Japan), Natsumi Nakajima (Ayase, Japan), Kazuki Hattori (Ayase, Japan), Fuminari Uehara (Ayase, Japan), Yohei Ono (Ayase, Japan), Masaya Hirano (Ayase, Japan), Yuta Morinaka (Ayase, Japan), Keisuke Nomura (Ayase, Japan), Eriko Ohta (Ayase, Japan), Tomohiro Shono (Shunan,...