Granted Patent
Utility
US 6,770,421 · App. 09/996,938
Photo- or heat-curable resin composition and multilayer printed wiring board
Inventors:
Masahiko Takeuchi, Kazuhiko Mizuuchi, Hironobu Kawasato
Patented Case
View Patent ↗
Granted: Aug 3, 2004
Filed: Nov 30, 2001
Inventors
Masahiko Takeuchi
Kazuhiko Mizuuchi
Hironobu Kawasato
Assignee (at issue)
NIPPON STEEL CHEMICAL CO., LTD.
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.