Seattle, WA, United States of America

Hisakazu Igarashi

This inventor holds 4 USPTO granted patents. Top assignees: Google Inc., Microsoft Technology Licensing, LLC. Active years: 2009-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hisakazu Igarashi. Retrieved from https://idiyas.com/inventor/hisakazu-igarashi

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


% Patents Active = 100.0

Average Co-Inventor Count = 3.3

ph-index = 2

Forward Citations = 348(Granted Patents)


Location History:

  • Bellevue, WA (US) (2009 - 2013)
  • Seattle, WA (US) (2014 - 2015)

Company Filing History:


Years Active: 2009-2015

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4 patents (USPTO):Explore Patents

Title: Hisakazu Igarashi: Innovator in Query Clarification Technologies

Introduction

Hisakazu Igarashi is a notable inventor based in Seattle, WA (US), recognized for his contributions to the field of query clarification technologies. With a total of 4 patents to his name, Igarashi has made significant strides in enhancing user interactions with search systems.

Latest Patents

One of Hisakazu Igarashi's latest patents focuses on systems, methods, and computer program products for query clarification. This innovation involves computer-implemented methods that include receiving user input associated with a search query. The process determines whether the search query is a trigger query, prompting the user for additional information to form a clarified search query. This clarified search query includes the additional information and is submitted to the search system prior to the original query submission.

Career Highlights

Throughout his career, Igarashi has worked with prominent companies such as Google Inc. and Microsoft Technology Licensing, LLC. His experience in these leading technology firms has allowed him to develop and refine his innovative ideas in the realm of search technologies.

Collaborations

Some of Hisakazu Igarashi's notable coworkers include Charles G Bird and Andrew Moedinger. Their collaborative efforts have contributed to advancements in the technologies they have worked on together.

Conclusion

Hisakazu Igarashi's work in query clarification technologies showcases his innovative spirit and dedication to improving user experience in search systems. His contributions continue to influence the way users interact with technology today.

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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