Granted Patent
Utility
US 4,435,066 · App. 06/355,878
Ion modulating electrode with improved transmission factor
Inventors:
Noriyoshi Tarumi, Haruo Iwahashi, Masahiko Matsunawa, Hiroshi Tokunaga
Patented Case
View Patent ↗
Granted: Mar 6, 1984
Filed: Mar 8, 1982
Inventors
Noriyoshi Tarumi
Haruo Iwahashi
Masahiko Matsunawa
Hiroshi Tokunaga
Assignee (at issue)
Konishiroku Photo Industry 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.