Location History:
- Kanagawa, JP (1988 - 1990)
- Tokyo, JP (1993 - 2021)
Company Filing History:
9 out of 90,753 
4 out of 58,131 
1 out of 27 
Years Active: 1988-2021
Title: Innovator Toshiyuki Kumakura: A Visionary in Speech Processing Technology
Introduction
Toshiyuki Kumakura, a prominent inventor based in Tokyo, Japan, has made significant contributions to the field of speech processing technology. With a noteworthy portfolio of 13 patents, Kumakura's work focuses on innovations that enhance communication through advanced information processing methods and apparatuses.
Latest Patents
Among Kumakura's latest patents are a variety of sophisticated devices and methods aimed at improving speech recognition. One notable invention is a speech processing apparatus that includes a word string estimation unit. This unit estimates a word string corresponding to input speech from a dictionary dataset, complemented by a calculation unit that determines a certainty factor for each element of the estimated word string. This ensures that the components of speech are accurately matched to their corresponding parts in the spoken input.
Additionally, another recent innovation involves a speech processing apparatus and method that incorporates three recognizers, each configured to adaptively operate through different modes. The determination unit in this system assesses recognition results from the first speech recognizer based on a certainty factor compared to a dynamically set threshold. Such strategic flexibility increases the operational efficiency of speech recognition technology.
Career Highlights
Kumakura has an impressive career, having worked for renowned companies such as Canon Inc. and Sony Corporation. His tenure at these innovative firms has provided him with the platform to develop groundbreaking technologies that have a lasting impact on the industry. His work's effectiveness speaks to his deep understanding of both the technical and practical applications of speech processing.
Collaborations
Throughout his career, Kumakura has collaborated with talented individuals such as Ryuichi Kobayashi and Yoshihito Harada. These partnerships have facilitated a rich exchange of ideas and fostered an environment where technological advancements can thrive, exemplifying the collaborative spirit in the field of innovation.
Conclusion
Toshiyuki Kumakura stands out as a key figure in the realm of speech processing and information technology. His innovative patents and contributions have the potential to reshape how we understand and interact with speech recognition systems. As technology continues to evolve, Kumakura's work serves as a beacon of inspiration for future generations of inventors.