Location History:
- Tokyo, JP (1998 - 2016)
- Chiyoda-ku, JP (2016 - 2017)
Company Filing History:
11 out of 15,906 
4 out of 21,351 
Years Active: 1998-2017
Title: Masamichi Nogami: Innovator in Emphasis Circuits and Burst-Mode Receivers
Introduction
Masamichi Nogami is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of electronics, particularly in the development of emphasis circuits and burst-mode receivers. With a total of 15 patents to his name, Nogami's work has had a substantial impact on the industry.
Latest Patents
One of Nogami's latest patents is an emphasis circuit designed to obtain a desired emphasis amount while suppressing waveform deterioration of an output signal in a high-frequency band. This innovation allows for improved performance without increasing power consumption. The circuit features a baseband amplifier section and a peaking amplifier section connected in parallel, with adjustable drive current settings to maintain a constant total drive current.
Another notable patent is related to a burst-mode receiver and a method of bias voltage control for avalanche photodiodes (APD) used in burst-mode receivers. This invention enables the reception of burst optical signals with varying intensities. It includes a current detection circuit that outputs a photocurrent, a peak detector circuit for holding peak values, and a resistor connection switching circuit that optimizes the connection of a series resistor to the APD based on detected voltage levels.
Career Highlights
Throughout his career, Masamichi Nogami has worked with esteemed companies such as Mitsubishi Electric Corporation and Mitsubishi Denki Kabushiki Kaisha. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking technologies in the electronics sector.
Collaborations
Nogami has collaborated with notable colleagues, including Masaki Noda and Junichi Nakagawa. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.
Conclusion
Masamichi Nogami's contributions to the field of electronics through his patents and collaborations highlight his role as a significant inventor. His work continues to influence advancements in technology, particularly in emphasis circuits and burst-mode receivers.