Patent Assignment
Reel/Frame 028021/0877
Assignment of Assignor's Interest
Recorded: 2012-04-10
Pages: 3
Assignee
SHOWA DENKO K.K.
13-9, SHIBADAIMON 1-CHOME, MINATO-KU, TOKYO, 1058518, JAPAN
Covered Property
(1)
Phosphine Oxide Compound, Organic Electroluminescence Element, Production Method and Uses Thereof
Application:
13/442,440 →
Publication:
US 2012/0256171
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.