Granted Patent
Utility
US 6,813,261 · App. 09/512,820
Method of mobile communication and apparatus therefor
Inventors:
Riaz Esmailzadeh, Takashi Yano, Nobukazu Doi
Patented Case
View Patent ↗
Granted: Nov 2, 2004
Filed: Feb 25, 2000
Inventors
Riaz Esmailzadeh
Takashi Yano
Nobukazu Doi
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.