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Location History:
- Toyko, JP (2017)
- Minato-Ku, JP (2015 - 2018)
- Tokyo, JP (1988 - 2023)
Company Filing History:
88 out of 35,658 
3 out of 346 
1 out of 7,524 
Years Active: 1988-2023
Title: The Innovative Contributions of Akihiko Sugiyama
Introduction
Akihiko Sugiyama, a prominent inventor based in Tokyo, Japan, has made significant strides in the field of signal processing. With an impressive portfolio of 88 patents, Sugiyama's work focuses on enhancing the clarity and quality of voice signals in various applications. His inventions have played a crucial role in advancing technology in voice input/output systems and hearing aids.
Latest Patents
Sugiyama's latest inventions include a signal processing apparatus, method, and program designed to improve the quality of output signals, especially when the phase of the input signal differs significantly from that of the true voice. This apparatus features a voice detector that identifies the presence of a voice amidst mixed signals, a corrector that refines the mixed signal based on the detection, and a shaper that finalizes the output signal.
In addition, Sugiyama has developed a voice input/output apparatus that conducts both noise and echo cancellation. This device leverages a noise acquirer to capture external noise, while a noise canceler processes this information to produce a high-quality main voice signal. The innovative design of this voice input/output apparatus highlights Sugiyama's commitment to improving communication technologies.
Career Highlights
Sugiyama's professional journey is marked by his tenure at NEC Corporation and NEC Platforms, Ltd., where he has worked collaboratively on various technological advancements. His extensive experience in these companies has been instrumental in refining his innovative approaches to signal processing.
Collaborations
Throughout his career, Sugiyama has collaborated with notable colleagues such as Ryoji Miyahara and Masanori Kato. Their combined efforts have fostered an environment of creativity and innovation that has led to the development of successful patented technologies.
Conclusion
Akihiko Sugiyama's contributions to the field of signal processing are remarkable and have paved the way for improvements in voice-related technologies. With an extensive patent portfolio and a commitment to innovation, Sugiyama continues to shape the future of communication devices, enhancing the user experience for many.
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