Granted Patent
Utility
US 6,051,319 · App. 09/265,855
Silacyclopentadiene derivatives and an organic electroluminescent element obtained by using the silacyclopentadiene derivative
Inventors:
Manabu Uchida, Takenori Izumizawa, Kenji Furukawa, Kohei Tamao, Shigehiro Yamaguchi
Patented Case
View Patent ↗
Granted: Apr 18, 2000
Filed: Mar 11, 1999
Inventors
Manabu Uchida
Takenori Izumizawa
Kenji Furukawa
Kohei Tamao
Shigehiro Yamaguchi
Assignee (at issue)
Chisso Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.