Granted Patent
Utility
US 5,798,201 · App. 08/887,466
Radiation sensitive resin composition
Inventors:
Katsumi Inomata, Nasahiro Akiyama, Toshiyuki Ota, Akira Tsuji
Patented Case
View Patent ↗
Granted: Aug 25, 1998
Filed: Jul 2, 1997
Inventors
Katsumi Inomata
Nasahiro Akiyama
Toshiyuki Ota
Akira Tsuji
Assignees (at issue)
Japan Synthetic Rubber Corporation
ARAKAWA CHEMICAL INDUSTRIES, 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.