Assignee
CANON RESEARCH CENTER AMERICA
US·4 granted patents·310 citations·filing 1990–1993
Top patents by PatentIndex Score
4 records- 0196US5325167ARecord document authentication by microscopic grain structure and methodCANON RESEARCH CENTER AMERICA·Filed 1992·Granted Jun 28, 1994·278 cites·39 claims
- 0244US5379349AMethod of OCR template enhancement by pixel weightingCANON RESEARCH CENTER AMERICA·Filed 1992·Granted Jan 3, 1995·19 cites·28 claims
- 0342US5248139ADocument transport apparatusCANON RESEARCH CENTER AMERICA·Filed 1993·Granted Sep 28, 1993·9 cites·13 claims
- 0431US5046116ASymbol analyzing system and method with data exclusion and confidence factorsCANON RESEARCH CENTER AMERICA·Filed 1990·Granted Sep 3, 1991·4 cites·42 claims
Join the waitlist — get patent alerts
Get an alert when CANON RESEARCH CENTER AMERICA files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →