Company Filing History:
Years Active: 2017-2020
Title: Noriaki Sumita: Innovator in Linear Amplification Technology
Introduction
Noriaki Sumita is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of linear amplification technology, holding 2 patents that showcase his innovative approach to signal processing.
Latest Patents
Sumita's latest patents include a "Linear Amplifying Device, Input Signal Supplying Method, and Origin Avoiding Circuit Used Therein." This invention addresses the issue of signal ringing after passing through a low pass filter in an LINC type linear amplifier. The device features a linear amplifier that incorporates a low pass filter to eliminate high-frequency components, along with an origin avoiding circuit that modifies sampled values near the origin to ensure accurate signal processing.
Another notable patent is the "Adaptive Equalization Processing Circuit and Adaptive Equalization Processing Method." This invention provides a stable adaptive equalization process without compromising transmission efficiency. The circuit includes a demodulation means for generating a training signal and an adaptive equalization processing means that utilizes a tap coefficient to remove waveform distortion from the received signal.
Career Highlights
Noriaki Sumita is currently employed at NEC Network and Sensor Systems, Ltd., where he continues to develop cutting-edge technologies in signal processing. His work has significantly impacted the efficiency and reliability of communication systems.
Collaborations
Throughout his career, Sumita has collaborated with notable colleagues, including Yasutaka Kuroda and Takashi Ishikawa. These partnerships have fostered a creative environment that encourages innovation and the development of advanced technologies.
Conclusion
Noriaki Sumita's contributions to linear amplification technology and adaptive equalization processing highlight his role as a leading inventor in the field. His patents reflect a commitment to improving signal processing methods, which are essential for modern communication systems.