Location History:
- Yokosuka, JP (1994 - 1998)
- Tokyo, JP (1999 - 2000)
Company Filing History:
Years Active: 1994-2000
Title: **Ichihiko Toyoda: A Pioneer in Circuit Innovations**
Introduction
Ichihiko Toyoda, an accomplished inventor based in Yokosuka, Japan, has made significant contributions to the field of electronic circuits. With a total of 8 patents to his name, Toyoda has focused on improving circuit designs that enhance performance and efficiency.
Latest Patents
One of Toyoda's most notable patents is the "Balun Circuit with a Cancellation Element in Each Coupled Line." This invention improves the traditional Marchand balun circuit by incorporating a cancellation element between paired couplings. The result is an enhanced ability to divide and combine signals with improved amplitude and phase consistency. Furthermore, the use of transmission lines, capacitors, or inductors in this design aids in decreasing amplitude difference error and phase difference error, providing a balun circuit with a broad operational bandwidth. Another significant innovation is the "Fully Monolithic Voltage Controlled Oscillator with Wide Tuning Range." This oscillator utilizes a bipolar transistor integrated with a positive feedback circuit, impedance matching, and a control voltage mechanism. This combination aims to minimize phase noise while allowing expansive tuning ranges of frequency, creating more stable and precise oscillations.
Career Highlights
Ichihiko Toyoda is affiliated with Nippon Telegraph and Telephone Corporation (NTT), a leading company renowned for its advancements in telecommunication technologies. Throughout his career, Toyoda has dedicated himself to pioneering solutions that address the complexities of circuit functionality and performance.
Collaborations
In his journey as an inventor, Toyoda has collaborated with distinguished coworkers, including Tsuneo Tokumitsu and Kenjiro Nishikawa. Together, they have worked on innovative technologies that push the boundaries of electronic engineering.
Conclusion
Ichihiko Toyoda stands out as a remarkable figure in the realm of circuit inventions. His persistent dedication and inventive spirit have led to the creation of groundbreaking technologies that significantly enhance electronic communications. As innovation continues to evolve, Toyoda’s work remains a testament to the impact of creativity and engineering on the technological landscape.