Granted Patent
Utility
US 4,339,524 · App. 06/254,062
Photosensitive resinous materials containing stilbazolium groups
Inventors:
Kunihiro Ichimura, Osamu Takeuchi, Hideo Kusama, Kazuo Yamazaki, Akira Saka, Hiroshi Ito, Kunitaka Toyofuku
Patented Case
View Patent ↗
Granted: Jul 13, 1982
Filed: Apr 14, 1981
Inventors
Kunihiro Ichimura
Osamu Takeuchi
Hideo Kusama
Kazuo Yamazaki
Akira Saka
Hiroshi Ito
Kunitaka Toyofuku
Assignees (at issue)
Agency of Industrial Science & Technology, Ministry of International Trade & Industry
SONY GROUP CORPORATION
Oji Paper 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.