Growing community of inventors

Needham, MA, United States of America

Stephen R Baum

Average Co-Inventor Count = 1.29

ph-index = 3

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 117

Stephen R BaumRaymond C Kurzweil (1 patent)Stephen R BaumFirdaus Bhathena (1 patent)Stephen R BaumStephen R Baum (3 patents)Raymond C KurzweilRaymond C Kurzweil (105 patents)Firdaus BhathenaFirdaus Bhathena (8 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Lernout & Hauspie Speech Products N.v. (1 from 24 patents)

2. Kurzweil Educational Systems, Inc. (1 from 9 patents)

3. L&h Applications Usa, Inc. (1 from 5 patents)


3 patents:

1. 6256610 - Header/footer avoidance for reading system

2. 6188779 - Dual page mode detection

3. 6033224 - Reading machine system for the blind having a dictionary

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12/13/2025
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