Tokyo, Japan

Masao Watari

This inventor holds 15 USPTO granted patents, primarily in Speech Recognition Technology. Top assignees: Nec Corporation, Hitachi, Ltd., Nippon Electric Co., Ltd.. Active years: 1981-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masao Watari. Retrieved from https://idiyas.com/inventor/masao-watari

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 = 1.5

ph-index = 9

Forward Citations = 219(Granted Patents)


Company Filing History:


Years Active: 1981-1990

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Areas of Expertise:
Speaker Verification
Pattern Matching
Speech Recognition
Dynamic Programming
Voice Input
Pattern Recognition
Miniature Computer
Audio Cassette
Continuous Characters
Pattern Feature Extraction
Multiple-Channel I/O
Distance Calculation
15 patents (USPTO):Explore Patents

Title: **Masao Watari: A Pioneer in Speaker Verification Systems**

Introduction

Masao Watari is a notable inventor based in Tokyo, Japan, recognized for his significant contributions to the field of speaker verification and pattern matching technologies. With an impressive portfolio of 15 patents, he has advanced the capabilities of speech recognition systems, making a lasting impact in the tech industry.

Latest Patents

Among his latest innovations is a **Speaker Verification System**. This technology involves the synthesis of control reference pattern candidates that correspond to verification reference patterns of registered speakers. By calculating dissimilarities between the input patterns and expected patterns, the system is able to accurately identify whether the speaker is indeed the registered individual based on refined matching processes.

Another groundbreaking patent is the **Pattern Matching Method Using Restricted Matching Paths and Apparatus**. This method focuses on speech recognition by determining distances between the input patterns and various reference patterns. It utilizes dynamic programming techniques to achieve efficient and effective pattern matching, ensuring that the path determination is independent and adaptable for various input scenarios.

Career Highlights

Throughout his career, Masao Watari has held key positions in several distinguished companies including NEC Corporation and Nippon Electric Co., Ltd. His work in these organizations has enabled him to push the boundaries of speech recognition technology further, establishing him as a reputable figure in the field.

Collaborations

Masao Watari has collaborated with esteemed individuals such as Toru Onodera and Akira Ohsawa. These partnerships have fostered an environment of innovation and creativity, leading to the development of advanced technologies that continue to shape the future of speech processing.

Conclusion

Masao Watari exemplifies the spirit of innovation through his groundbreaking patents and successful collaborations. His work not only enhances the realm of speaker verification but also paves the way for future advancements in speech recognition technologies. Through his dedication and ingenuity, Watari remains a pivotal inventor within the tech landscape.

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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