Granted Patent
Utility
US 6,069,430 · App. 09/257,013
Insulating material and windings thereby
Inventors:
Tomoya Tsunoda, Keiichi Morikawa, Mitsuru Onoda, Shigeo Amagi, Tatsuo Honda
Patented Case
View Patent ↗
Granted: May 30, 2000
Filed: Feb 25, 1999
Inventors
Tomoya Tsunoda
Keiichi Morikawa
Mitsuru Onoda
Shigeo Amagi
Tatsuo Honda
Assignee (at issue)
HITACHI, 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.