Burbank, CA, United States of America

Chang Shu

This inventor holds 1 USPTO granted patent. Top assignee: Disney Enterprises, Inc.. Active years: 2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Chang Shu. Retrieved from https://idiyas.com/inventor/chang-shu-wwdamh4t

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 = 1(Granted Patents)


Company Filing History:


Years Active: 2022

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1 patent (USPTO):Explore Patents

Title: Chang Shu and His Speech Recognition Innovation.

Introduction

Chang Shu is an inventor associated with Burbank, California, and Disney Enterprises, Inc. His patent work addresses a challenge in automatic speech recognition: distinguishing words that sound alike while accounting for how likely those words are to occur in a language corpus.

Latest Patents

The provided information lists one patent for Shu: “System and Method to Improve Performance of a Speech Recognition System by Measuring Amount of Confusion Between Words.” The invention describes a confusion index that combines an acoustic score, reflecting phonetic differences between two words, with a weighted language score, reflecting their likelihood of appearing in a corpus. This approach assigns higher confusion scores to similar-sounding words that are also likely to occur in the corpus. The index can help make uncommon words more visible, provide context to reduce conflicts with common words, or remove less important words from a lexicon to avoid recognition errors. Shu’s listed patent portfolio comprises 1 patent.

Career Highlights

Shu’s documented innovation focuses on improving the performance of automatic speech recognition systems through a measure that considers both sound similarity and language usage. The supplied information identifies him as working with Disney Enterprises, Inc.

Collaborations

Sanchita Tiwari is identified as Shu’s coworker. The available information does not specify whether she collaborated with him on the listed patent.

Conclusion

Chang Shu’s listed patent presents a method for helping speech recognition systems manage confusion between similar-sounding words by combining acoustic and language-based information.

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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