Granted Patent
Utility
US 6,532,269 · App. 09/230,995
Data transmitter, data receiver, processor, equipment managing device, equipment managing system, data transmitting-receiving system, and medium
Inventors:
Masazumi Yamada, Akira Iketani, Akira Usui, Masaaki Kobayashi, Hidetoshi Takeda
Patented Case
View Patent ↗
Granted: Mar 11, 2003
Filed: Feb 5, 1999
Inventors
Masazumi Yamada
Akira Iketani
Akira Usui
Masaaki Kobayashi
Hidetoshi Takeda
Assignee (at issue)
SUMITOMO ELECTRIC INDUSTRIES, 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.