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Inventor

Frederick W. Kiefer

Inventor
Williamsville, NY, US

Overview

8→
Patents
1995–2018
Patent span
Physics
Primary field (CPC G)

Patents· 8 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G06Vprimary
G06VImage or video recognition or understanding47%
G06KGraphical data reading20%
G07CTime or attendance registers20%
G01SRadio direction-finding7%
G06FElectric digital data processing7%
PatentTitleYear
10,061,971Enrollment and authentication on a mobile device201810,002,285Fast, high-accuracy, large-scale fingerprint verification system20189,971,928Fingerprint verification system20186,937,748'Left hand right hand invariant dynamic finger positioning guide'20055,926,555'Fingerprint identification system'19995,799,098'Fingerprint identification system'19985,659,626'Fingerprint identification system'19975,381,156'Multiple target doppler tracker'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–1999Patents assigned to CALSPAN CORP (4)· patent assignee history
1995–2018Based in Williamsville, NY, US· patent location history
2005Patents assigned to ULTRA SCAN CORP (1)· patent assignee history
2018Patents assigned to QUALCOMM INC (3)· patent assignee history
2018Based in Clarence, NY, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CALSPAN CORP41995–1999
QUALCOMM INC32018
ULTRA SCAN CORP12005
Locations
LocationPatentsSpan
Williamsville, New York, US71995–2018
Clarence, New York, US12018