Granted Patent
Utility
US 6,627,696 · App. 09/670,838
Dispersion composition and method for producing the same
Inventors:
Nagayuki Takao, Miyuki Nishimura
Patented Case
View Patent ↗
Granted: Sep 30, 2003
Filed: Sep 28, 2000
Inventors
Nagayuki Takao
Miyuki Nishimura
Assignee (at issue)
HITACHI MAXELL, 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.