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For the Inventor, By the Inventor

Kanagawa, Japan

Takahiko Kawatani

This inventor holds 14 USPTO granted patents. Top assignees: Hewlett-Packard Development Company, L.p., Hewlett-Packard Company, Nippon Telegraph and Telephone Corporation. Active years: 1997-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takahiko Kawatani. Retrieved from https://idiyas.com/inventor/takahiko-kawatani

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

Calculating rank
USPTO Granted Patents = 14

% Patents Active = 35.7

Average Co-Inventor Count = 1.1

ph-index = 9

Forward Citations = 694(Granted Patents)


Location History:

  • Yokohama Kanagawa, JP (2007 - 2008)
  • Yokohama, JP (1997 - 2009)
  • Kanagawa, JP (2003 - 2012)

Company Filing History:

goldMedal11 out of 27,687 
 
Hewlett-Packard Development Company, L.p.
 patents
silverMedal2 out of 9,639 
 
Hewlett-Packard Company
 patents
bronzeMedal1 out of 5,300 
 
Nippon Telegraph and Telephone Corporation
 patents

Years Active: 1997-2012

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14 patents (USPTO):Explore Patents
1. 8171026 - Method and vector analysis for a document (2012-05-01),
2. 7562066 - Method of vector analysis for a document (2009-07-14),
3. 7499923 - Document clustering method and apparatus based on common information of documents (2009-03-03),
4. 7392175 - Evaluating commonality of documents using segment vector, co-occurrence matrix, and common co-occurrence matrix (2008-06-24),
5. 7308138 - Document segmentation method (2007-12-11),
6. 7225120 - Method of extracting important terms, phrases, and sentences (2007-05-29),
7. 7200802 - Evaluating distinctiveness of document (2007-04-03),
8. 7194461 - Document and information retrieval method and apparatus (2007-03-20),
9. 7185008 - Document classification method and apparatus (2007-02-27),
10. 6778704 - Method and apparatus for pattern recognition using a recognition dictionary partitioned into subcategories (2004-08-17),
11. 6671404 - Method and apparatus for recognizing patterns (2003-12-30),
12. 6466926 - Method for optimizing a recognition dictionary to distinguish between patterns that are difficult to distinguish (2002-10-15),
13. 6038343 - Character recognition method and apparatus using writer-specific (2000-03-14),
14. 5602938 - Method of generating dictionary for pattern recognition and pattern (1997-02-11),
Profile summary based on public USPTO records.
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]
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