Knfb Reader, LLC

Calculating rank

USPTO Granted Patents = 5

% Expired Patents = 100.0

Forward Citations = 14

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5 inventors (with patents filed for the assignee):

Raymond C Kurzweil (4 out of 105 patents)

Paul Albrecht (4 out of 68 patents)

Lucy Gibson (4 out of 42 patents)

4. Rafael Maya Zetune (2 out of 6 patents)

5. Lev Lvovsky (1 out of 11 patents)

5 patents: Sort by Forward Citations

1. 10741167 - Document mode processing for portable reading machine enabling document navigation (2020-08-11),

2. 9959476 - Reading machine with camera polarizer layers (2018-05-01),

3. 9626000 - Image resizing for optical character recognition in portable reading machine (2017-04-18),

4. 9619688 - Navigation using portable reading machine (2017-04-11),

5. 9236043 - Document mode processing for portable reading machine enabling document navigation (2016-01-12),

Company Overview

Knfb Reader, LLC is a leading developer of advanced assistive technology to help individuals with visual impairments access and read printed text. Their flagship product, the Knfb Reader app, uses cutting-edge technology to convert printed text into speech or Braille, empowering users to independently access information from various sources.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

5 Patents

#102 in Baltimore, MD

#752 in Maryland

#51,669 in US

Baltimore, MD, United States of America

Knfb Reader, LLC

Forward Citations = 14

5 inventors:

Raymond C Kurzweil (4 out of 105 patents)

Paul Albrecht (4 out of 68 patents)

Lucy Gibson (4 out of 42 patents)

4. Rafael Maya Zetune (2 out of 6 patents)

5. Lev Lvovsky (1 out of 11 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Knfb Reader, LLC. Retrieved from https://idiyas.com/company/knfb-reader

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]