Granted Patent
Utility
US 6,824,261 · App. 10/176,575
Hollow fiber membrane for the degassing of inks, ink degassing method, ink degassing apparatus, method for the fabrication of an ink cartridge, and ink
Inventors:
Kenji Watari, Satoshi Takeda, Masumi Kobayashi, Makoto Uchida, Masamoto Uenishi, Noriaki Fukushima, Seiji Hayashi
Patented Case
View Patent ↗
Granted: Nov 30, 2004
Filed: Jun 24, 2002
Inventors
Kenji Watari
Satoshi Takeda
Masumi Kobayashi
Makoto Uchida
Masamoto Uenishi
Noriaki Fukushima
Seiji Hayashi
Assignee (at issue)
MITSUBISHI ELECTRIC 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.