logo

For the Inventor, By the Inventor

Sagamihara, Japan

Hirofumi Matsuzawa

This inventor holds 13 USPTO granted patents. Top assignee: International Business Machines Corporation. Active years: 1997-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirofumi Matsuzawa. Retrieved from https://idiyas.com/inventor/hirofumi-matsuzawa

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

USPTO Granted Patents = 13

% Patents Active = 46.2

Average Co-Inventor Count = 2.7

ph-index = 5

Forward Citations = 268(Granted Patents)


Location History:

  • Yamato, JP (2000)
  • Yamoto, JP (2002)
  • Sagamihara, JP (1997 - 2012)
  • Kanagawa-ken, JP (2010 - 2017)
  • Yokohama, JP (2021)

Company Filing History:

goldMedal13 out of 166,351 
 
International Business Machines Corporation
 patents

Years Active: 1997-2021

Loading Chart...
13 patents (USPTO):Explore Patents
1. 11120367 - Validating training data of classifiers (2021-09-14),
2. 9703689 - Defect detection using test cases generated from test models (2017-07-11),
3. 8417648 - Change analysis (2013-04-09),
4. 8271440 - Apparatus, method and program for refreshing a summary table (2012-09-18),
5. 8165913 - System, method, program for assigning virtual attribute to product, and system, method, and program for tracing cause of phenomenon occurring in product (2012-04-24),
6. 7769706 - Method and system for obtaining a combination of faulty parts from a dispersed parts tree (2010-08-03),
7. 7567948 - Method and system for obtaining a combination of faulty parts from a dispersed parts tree (2009-07-28),
8. 7483829 - Candidate synonym support device for generating candidate synonyms that can handle abbreviations, mispellings, and the like (2009-01-27),
9. 6618725 - Method and system for detecting frequent association patterns (2003-09-09),
10. 6400363 - Drawing candidate line segments extraction system, drawing candidate line segments extraction method, solid model synthesis system, and solid model synthesis method (2002-06-04),
11. 6182061 - Method for executing aggregate queries, and computer system (2001-01-30),
12. 6104404 - Drawing candidate line segments extraction system and method and solid (2000-08-15),
13. 5684725 - Solid model synthesis system and solid model synthesis method (1997-11-04),

Title: Hirofumi Matsuzawa: Innovator in Classifier Training and Defect Detection

Introduction

Hirofumi Matsuzawa is a prominent inventor based in Sagamihara, Japan. He has made significant contributions to the fields of machine learning and software testing. With a total of 13 patents to his name, Matsuzawa has developed innovative solutions that enhance the efficiency and accuracy of classifiers and online systems.

Latest Patents

Matsuzawa's latest patents include a method for validating training data of classifiers. This invention involves a computer program product and a computer system that evaluates and modifies training data for classifiers. The system applies each piece of training data to multiple classifiers, performing evaluation and validation to ensure classification precision. If the precision exceeds a predetermined threshold, the system defines representative classes and modifies the training data accordingly.

Another notable patent focuses on defect detection using test cases generated from test models. This invention outlines a process where a processor receives search conditions for an online system, generates test models based on these conditions, and creates test cases to detect defects. The execution of these test cases on the online system allows for effective identification of issues, ensuring a smoother user experience.

Career Highlights

Hirofumi Matsuzawa is currently employed at International Business Machines Corporation (IBM). His work at IBM has allowed him to collaborate with other talented professionals in the field, contributing to advancements in technology and software development.

Collaborations

Some of Matsuzawa's notable coworkers include Masayuki Numao and Fumihiko Kitayama. Their collaborative efforts have further propelled innovations in their respective areas of expertise.

Conclusion

Hirofumi Matsuzawa stands out as a key figure in the realm of technology and innovation. His contributions to classifier training and defect detection have paved the way for more efficient systems. His work continues to influence the industry and inspire future advancements.

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]
Loading…