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For the Inventor, By the Inventor

Tokyo, Japan

Yasuyuki Mitsui

USPTO Granted Patents = 8 

Average Co-Inventor Count = 3.2

ph-index = 2

Forward Citations = 9(Granted Patents)


Company Filing History:

goldMedal8 out of 35,756 
 
Nec Corporation
 patents

Years Active: 2013-2016

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8 patents (USPTO):Explore Patents
1. 9520125 - Speech synthesis device, speech synthesis method, and speech synthesis program (2016-12-13),
2. 9443538 - Waveform processing device, waveform processing method, and waveform processing program (2016-09-13),
3. 9324316 - Prosody generator, speech synthesizer, prosody generating method and prosody generating program (2016-04-26),
4. 9286913 - Atmosphere expression word selection system, atmosphere expression word selection method, and program (2016-03-15),
5. 8630857 - Speech synthesizing apparatus, method, and program (2014-01-14),
6. 8620663 - Speech synthesis system for generating speech information obtained by converting text into speech (2013-12-31),
7. 8606583 - Speech synthesis system for generating speech information obtained by converting text into speech (2013-12-10),
8. 8407054 - Speech synthesis device, speech synthesis method, and speech synthesis program (2013-03-26),

Title: Yasuyuki Mitsui: Innovator in Speech Synthesis Technology

Introduction

Yasuyuki Mitsui is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of speech synthesis, holding a total of 8 patents. His work focuses on developing advanced technologies that enhance the quality and naturalness of synthesized speech.

Latest Patents

Mitsui's latest patents include a speech synthesis device, a speech synthesis method, and a speech synthesis program. These innovations allow for the representation of phonemes with durations shorter than those modeled by traditional statistical methods. The speech synthesis device features a phoneme boundary updating means that utilizes a voiced utterance likelihood index to update the position of phoneme boundaries, improving the accuracy of speech synthesis.

Another notable patent is the waveform processing device, which changes the power of each pitch waveform segment to achieve more natural synthesized speech. This device includes a power calculation means that selects pitch waveforms and calculates a scalar indicating their power. Additionally, it features a normalization degree calculation means that assesses the degree of normalization of selected pitch waveforms, leading to enhanced speech quality.

Career Highlights

Yasuyuki Mitsui is currently employed at NEC Corporation, where he continues to innovate in the field of speech technology. His work has garnered attention for its practical applications in various industries, including telecommunications and artificial intelligence.

Collaborations

Mitsui has collaborated with notable colleagues such as Reishi Kondo and Masanori Kato. Their combined expertise has contributed to the advancement of speech synthesis technologies.

Conclusion

Yasuyuki Mitsui's contributions to speech synthesis technology have positioned him as a key figure in the field. His innovative patents and ongoing work at NEC Corporation continue to push the boundaries of what is possible in speech technology.

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