IP Library Granted Patent US 6,321,025
Granted Patent Utility
US 6,321,025 · App. 09/479,074

Method and apparatus for receiving and/or reproducing digital signal

Inventors: Hitoaki Owashi, Hiroo Okamoto, Kyoichi Hosokawa, Takaharu Noguchi
Patented Case View Patent ↗
Granted: Nov 20, 2001 Filed: Jan 7, 2000
Inventors
Hitoaki Owashi
Hiroo Okamoto
Kyoichi Hosokawa
Takaharu Noguchi
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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 6,321,025
App. No.
09/479,074
Filed
2000-01-07
Granted
2001-11-20
Kind
A