Company Filing History:
Years Active: 2004-2007
Title: The Innovative Mind of Keitaro Sekine
Introduction
Keitaro Sekine, a notable inventor based in Tokyo, Japan, has made significant contributions to the field of electronics with his patented inventions. With a total of two patents to his name, Sekine showcases his inventiveness and technical prowess in tuning circuits and amplifiers, proving to be an influential figure in his craft.
Latest Patents
One of Sekine's latest patents, titled "Tuning circuit having amplitude-varying function," presents a unique design comprising a coil, a capacitor, and a resistance-adjusting element connected in parallel. This innovative tuning circuit allows for the adjustment of resistance at the time of resonance, consequently varying the amplitude of the output signal, which is pivotal in enhancing signal clarity and functionality.
Another significant patent is the "Variable gain amplifier with a gain exhibiting a linear in dB characteristic relative to a control voltage." This invention involves an amplification circuit configured with first and second MOS transistors. The design ensures that the differential gain is proportional to the square root of the current flowing through the transistors, allowing for precise control of the amplifier's gain.
Career Highlights
Throughout his career, Keitaro Sekine has worked with renowned companies such as Renesas Technology Corporation and Sanyo Electric Co., Ltd. His experience in these institutions has contributed immensely to his development as an inventor and has provided him with a robust foundation in electronic engineering.
Collaborations
Sekine has collaborated with esteemed colleagues including Akira Hyogo and Hiroshi Komurasaki. These partnerships have likely fostered an environment of creativity and innovation, enabling them to explore new ideas and develop groundbreaking technologies together.
Conclusion
Keitaro Sekine's contributions to the field of electronics through his patents demonstrate not only his innovation but also his commitment to advancing technology. As he continues to work and collaborate with others in the industry, Sekine remains a notable figure whose inventions will likely influence future advancements in electronic circuitry and amplification.