Company Filing History:

9 out of 35,756

Nec Corporation

patents

3 out of 1,038

Nippon Electric Co., Ltd.

Years Active: 1981-1990

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15 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4910782 - Speaker verification system (1990-03-20),

2. 4901352 - Pattern matching method using restricted matching paths and apparatus (1990-02-13),

3. 4882756 - Pattern matching system using dynamic programming (1989-11-21),

4. 4839844 - Orthogonal transformer and apparatus operational thereby (1989-06-13),

5. 4837828 - Pattern feature extracting system (1989-06-06),

6. 4794645 - Continuous speech recognition apparatus (1988-12-27),

7. 4792976 - Pattern recognizing device with pattern matching in slant (1988-12-20),

8. 4764972 - Continuous characters recognition system (1988-08-16),

9. 4641342 - Voice input system (1987-02-03),

10. 4601054 - Pattern distance calculating equipment (1986-07-15),

11. 4592086 - Continuous speech recognition system (1986-05-27),

12. 4385359 - Multiple-channel voice input/output system (1983-05-24),

13. 4364112 - Miniature computer with separate hand-held controller (1982-12-14),

14. 4308561 - Miniature computer (1981-12-29),

15. 4253143 - Miniature computer capable of using a conventional audio cassette tape (1981-02-24),

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.

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