Location History:
- Yokohama, JP (1996)
- Nagasaki, JP (1997 - 2003)
Company Filing History:
Years Active: 1996-2003
Title: Innovations of Yasuhiko Matuyama
Introduction
Yasuhiko Matuyama is a notable inventor based in Nagasaki, Japan. He has made significant contributions to the field of electronics, particularly in the development of detection circuits and position measuring apparatuses. With a total of four patents to his name, Matuyama's work showcases his expertise and innovative spirit.
Latest Patents
One of his latest patents is a detection circuit for the maximum value of a three-phase signal and the detection method of the same. This invention involves a detection circuit that accurately determines the maximum amplitude value of three-phase signals, which are 120 degrees out of phase with each other. The circuit converts these signals into digital values through an A/D converter, allowing for precise detection of the maximum amplitude.
Another significant patent is related to a phase adjusting circuit, a scaling signal generation circuit using this phase adjusting circuit, and a position measuring apparatus that utilizes the scaling signal generation circuit. This invention includes an input level adjuster that uses two detection signals with different phases. It adjusts the amplitude of at least one detection signal to a predetermined level, enabling the generation of output signals with a 90-degree phase difference. This technology is crucial for accurate position measurement by canceling phase errors.
Career Highlights
Throughout his career, Yasuhiko Matuyama has worked with prominent companies such as Sony Magnescale Inc. and Sony Corporation. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.
Collaborations
Matuyama has collaborated with notable individuals in the industry, including Shigeru Ishimoto and Hideo Maejima. These collaborations have further enriched his work and expanded the impact of his inventions.
Conclusion
Yasuhiko Matuyama's contributions to the field of electronics through his patents and collaborations highlight his innovative capabilities. His work continues to influence advancements in detection circuits and position measurement technologies.