Tokyo, Japan

Toshifumi Yamauchi

This inventor holds 1 USPTO granted patent. Top assignee: Nec Corporation. Active years: 1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshifumi Yamauchi. Retrieved from https://idiyas.com/inventor/toshifumi-yamauchi

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 1

Forward Citations = 8(Granted Patents)


Company Filing History:


Years Active: 1993

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1 patent (USPTO):Explore Patents

Title: Toshifumi Yamauchi: Patent Work in Pattern Recognition

Introduction

Toshifumi Yamauchi is an inventor associated with Tokyo, Japan, and NEC Corporation. His listed patent work concerns accurate recognition of input patterns.

Latest Patents

Yamauchi is associated with 1 patent, titled “Accurate Recognition of Input Patterns.” The invention describes a system that processes multiple input patterns into provisional patterns, compares them with reference patterns using calculated dissimilarity degrees, and selects identifiers for recognized patterns. Its processing, calculating, and determining circuits work together to assign output identifiers while allowing selected reference patterns to be reused.

Career Highlights

The available information connects Yamauchi’s patent activity with NEC Corporation. His listed invention addresses pattern recognition through comparisons between input and reference patterns.

Collaborations

Yasumasa Murai is identified as Yamauchi’s coworker. The provided information does not specify whether Murai collaborated on this patent.

Conclusion

Toshifumi Yamauchi’s listed patent reflects work on a circuit-based approach to recognizing input patterns and assigning identifiers, associated with NEC Corporation in Tokyo.

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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