Granted Patent
Utility
US 5,436,650 · App. 07/907,620
Ink jet recording head, process for producing the head and ink jet recording apparatus
Inventors:
Junichi Kobayashi, Masatsune Kobayashi, Ryuichi Arai, Akihiko Shimomura, Akio Kashiwazaki
Patented Case
View Patent ↗
Granted: Jul 25, 1995
Filed: Jul 2, 1992
Inventors
Junichi Kobayashi
Masatsune Kobayashi
Ryuichi Arai
Akihiko Shimomura
Akio Kashiwazaki
Assignee (at issue)
CANON 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.