Granted Patent
Utility
US 5,736,298 · App. 08/536,494
Water developable photosensitive resin composition
Inventors:
Katsuo Koshimura, Takayoshi Tanabe, Hozumi Sato, Noboru Ohshima, Takashi Nishioka
Patented Case
View Patent ↗
Granted: Apr 7, 1998
Filed: Oct 2, 1995
Inventors
Katsuo Koshimura
Takayoshi Tanabe
Hozumi Sato
Noboru Ohshima
Takashi Nishioka
Assignee (at issue)
Japan Synthetic Rubber 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.