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For the Inventor, By the Inventor

Tokyo, Japan

Hongchang Bao

This inventor holds 4 USPTO granted patents. Top assignee: Sony Corporation. Active years: 2005-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hongchang Bao. Retrieved from https://idiyas.com/inventor/hongchang-bao

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

USPTO Granted Patents = 4

% Patents Active = 25.0

Average Co-Inventor Count = 2.0

ph-index = 3

Forward Citations = 62(Granted Patents)


Company Filing History:

goldMedal4 out of 58,145 
 
Sony Corporation
 patents

Years Active: 2005-2009

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4 patents (USPTO):Explore Patents
1. 7509256 - Feature extraction apparatus and method and pattern recognition apparatus and method (2009-03-24),
2. 7280961 - Pattern recognizing device and method, and providing medium (2007-10-09),
3. 7117151 - Feature extraction apparatus and method and pattern recognition apparatus and method (2006-10-03),
4. 6910010 - Feature extraction apparatus and method and pattern recognition apparatus and method (2005-06-21),

Title: Innovations of Hongchang Bao in Speech and Image Recognition

Introduction

Hongchang Bao is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the fields of speech and image recognition. With a total of 4 patents, his work focuses on enhancing the accuracy and efficiency of recognition systems.

Latest Patents

Among his latest patents are the "Feature extraction apparatus and method" and the "Pattern recognition apparatus and method." These innovations aim to increase the recognition rate in both speech and image recognition. The feature extraction apparatus maps an observation vector, which represents a specific point in the observation vector space, to a distribution with a spread in the feature vector space. This process involves determining a feature distribution parameter that represents the distribution. The pattern recognition of the input data is then performed based on this feature distribution parameter. Additionally, the "Pattern recognizing device and method, and providing medium" includes a silence-acoustic-model correcting division that generates a silence acoustic model. This model is crucial for recognizing the silent sections that exist at the beginning of the speech recognition segment, utilizing the environmental noise present in the noise observation section.

Career Highlights

Hongchang Bao is currently employed at Sony Corporation, where he continues to innovate and develop advanced technologies. His work has been instrumental in pushing the boundaries of what is possible in recognition systems.

Collaborations

Some of his notable coworkers include Naoto Iwahashi and Hitoshi Honda. Their collaborative efforts contribute to the success of the projects they undertake together.

Conclusion

Hongchang Bao's contributions to speech and image recognition through his patents and work at Sony Corporation highlight his role as a leading inventor in the field. His innovations are paving the way for more accurate and efficient recognition technologies.

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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