Patents by Inventor Pedro paulo FERREIRA DA ROSA

Pedro paulo FERREIRA DA ROSA has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • PHOSPHINE OXIDE COMPOUND, RARE EARTH COMPLEX, AND LIGHT-EMITTING MATERIAL
    Publication number: 20210130378
    Abstract: A phosphine oxide compound represented by the following formula (I) and a rare earth complex containing the same are disclosed: wherein n represents an integer of 3 or more, Ar1 represents an n-valent aromatic group, L represents a divalent linker group, and Ar2 and Ar3 each independently represent a monovalent aromatic groups.
    Type: Application
    Filed: February 21, 2018
    Publication date: May 6, 2021
    Applicant: NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY
    Inventors: Yasuchika HASEGAWA, Pedro paulo FERREIRA DA ROSA, Takayuki NAKANISHI, Yuichi KITAGAWA, Koji FUSHIMI