Granted Patent
Utility
US 6,283,031 · App. 09/192,263
Solid-ink printing original plate and a process for producing the same
Inventors:
Atsushi Kakuta, Masatoshi Sakata, Yasuo Takano, Shigenori Suematsu, Yutaka Shoji
Patented Case
View Patent ↗
Granted: Sep 4, 2001
Filed: Nov 16, 1998
Inventors
Atsushi Kakuta
Masatoshi Sakata
Yasuo Takano
Shigenori Suematsu
Yutaka Shoji
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.