Granted Patent
Utility
US 5,703,145 · App. 08/551,036
Hot melt type ink composition for ink jet
Inventors:
Akemi Sagawa, Masahiko Sakai, Michio Ebata, Ren Itoh
Patented Case
View Patent ↗
Granted: Dec 30, 1997
Filed: Oct 31, 1995
Inventors
Akemi Sagawa
Masahiko Sakai
Michio Ebata
Ren Itoh
Assignee (at issue)
Hitachi Koki 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.