Company Filing History:

7 out of 52,711

Kabushiki Kaisha Toshiba

patents

6 out of 746

Toshiba Kikai Kabushiki Kaisha

patents

2 out of 2

Toshiba Software Engineering Corp.

patents

4. 2 out of 113

Toshiba Machine Co., Ltd.

patents

where one patent can have more than one assignee

Years Active: 1982-2000

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15 patents (USPTO):Sort by Forward Citations

Abstract keywords

1. 6032115 - Apparatus and method for correcting the difference in frequency (2000-02-29),

2. 5794194 - Word spotting in a variable noise level environment (1998-08-11),

3. 5577165 - Speech dialogue system for facilitating improved human-computer (1996-11-19),

4. 5457768 - Speech recognition apparatus using syntactic and semantic analysis (1995-10-10),

5. 5357596 - Speech dialogue system for facilitating improved human-computer (1994-10-18),

6. 5305208 - Database retrieval system for effectively displaying differences between (1994-04-19),

7. 5022457 - Casting control system of die cast machine (1991-06-11),

8. 4932458 - Method of and system for operating squeeze plunger in die cast machine (1990-06-12),

9. 4926491 - Pattern recognition device (1990-05-15),

10. 4881186 - Apparatus for measuring injection speed of die cast machines (1989-11-14),

11. 4757244 - Method and apparatus for detecting absolute position (1988-07-12),

12. 4563744 - Apparatus for adjusting starting positions of high speed injection (1986-01-07),

13. 4559991 - Method and system of controlling injection molding machines (1985-12-24),

14. 4380801 - Apparatus for measuring injection speed in injection molding machines (1983-04-19),

15. 4335778 - Apparatus for measuring injection speeds of die casting machines (1982-06-22),

Title: Hiroyuki Tsuboi: Innovator in Sound Recognition Technology

Introduction

Hiroyuki Tsuboi, an accomplished inventor based in Zama, Japan, has made significant contributions to the field of sound recognition technology. With a remarkable portfolio of 15 patents, Tsuboi's innovations have advanced how speech is processed and understood by machines.

Latest Patents

Among his recent patents are two notable inventions:

1. **Apparatus and Method for Correcting the Difference in Frequency** – This invention introduces a sound recognition apparatus that processes user utterances through both a basic microphone with known frequency characteristics and an input microphone with unknown characteristics. It analyzes input speech, calculates frequency differences, and corrects the data for better recognition accuracy.

2. **Word Spotting in a Variable Noise Level Environment** – This system enhances the recognition of speech patterns by extracting feature vectors and detecting start and end points to improve accuracy in noisy environments. It utilizes a recognition dictionary for matching patterns to deliver reliable recognition results.

Career Highlights

Hiroyuki Tsuboi has dedicated his talents to leading companies in the technology sector, including Toshiba Corporation and Toshiba Kikai Corporation. His work there has been instrumental in the development of innovative solutions that bridge the gap between human speech and machine recognition.

Collaborations

Throughout his career, Tsuboi has collaborated with esteemed colleagues, including Yoichi Takebayashi and Yoshifumi Nagata. These partnerships have fostered an environment of innovation and have contributed to the successful development of cutting-edge technologies in sound recognition.

Conclusion

Hiroyuki Tsuboi stands out as a leading figure in the realm of sound recognition technology. His 15 patents not only reflect his inventive spirit but also his commitment to enhancing how technology interacts with human communication. Through his work and collaboration, Tsuboi continues to shape the future of sound recognition.

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