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Los Altos, CA, United States of America

Per-Kristian G Halvorsen

USPTO Granted Patents = 7 (Patent Applications = 2)

Average Co-Inventor Count = 6.8

ph-index = 7

Forward Citations = 915(Granted Patents)

Company Filing History:

7 out of 24,189

Xerox Corporation

Years Active: 1994-1998

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7 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5748805 - Method and apparatus for supplementing significant portions of a (1998-05-05),

2. 5625554 - Finite-state transduction of related word forms for text indexing and (1997-04-29),

3. 5491760 - Method and apparatus for summarizing a document without document image (1996-02-13),

4. 5390259 - Methods and apparatus for selecting semantically significant images in a (1995-02-14),

5. 5384863 - Methods and apparatus for automatic modification of semantically (1995-01-24),

6. 5325444 - Method and apparatus for determining the frequency of words in a (1994-06-28),

7. 5278980 - Iterative technique for phrase query formation and an information (1994-01-11),

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