Granted Patent
Utility
US 6,504,102 · App. 09/944,135
Insulating material, windings using same, and a manufacturing method thereof
Inventors:
Tomoya Tsunoda, Keiichi Morikawa, Mitsuru Onoda, Shigeo Amagi, Tatsuo Honda
Patented Case
View Patent ↗
Granted: Jan 7, 2003
Filed: Sep 4, 2001
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.