Granted Patent
Utility
US 6,376,151 · App. 09/673,019
Positive resist composition
Inventors:
Hideaki Takahashi, Masashi Kimura, Takahiro Sasaki
Patented Case
View Patent ↗
Granted: Apr 23, 2002
Filed: Oct 10, 2000
Inventors
Hideaki Takahashi
Masashi Kimura
Takahiro Sasaki
Assignee (at issue)
ASAHI KASEI KABUSHIKI KAISHA
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.