Location History:
- Kamakura, JA (1977)
- Kamakura, JP (1982 - 1989)
- Kanagawa, JP (1986 - 1989)
- Both of Kamakura, JP (1989)
Company Filing History:
9 out of 21,351 
1 out of 26 
1 out of 226 
Years Active: 1977-1989
Title: The Innovative Journey of Fumio Takeda
Introduction
Fumio Takeda is a renowned inventor based in Kamakura, Japan, known for his significant contributions to electronic engineering. With an impressive portfolio of 10 patents, he has focused on developing advanced technologies that enhance electronic devices and communication systems.
Latest Patents
Among his most notable inventions are two recent patents: the Distributed FET Amplifier and the Bias Voltage Supply Circuit Therefor. This innovation features a distributed FET amplifier that comprises an array of FET elements. Each element includes a gate terminal, drain terminal, and source terminal, with the gate terminals connected by a first inductor and the drain terminals connected by a second inductor. The configuration includes a parallel circuit between the source terminals and the ground, consisting of a capacitor and an impedance element. This design not only improves amplification but also optimizes the bias voltage supply.
Another significant patent is the Antenna with Lumped Reactive Matching Elements, which allows for adjustable resonance frequencies. By integrating lumped constant elements like coils and capacitors between the circular conductor plate and the grounding conductor plate, it offers a versatile solution to meet various frequency requirements in antenna technology.
Career Highlights
Fumio Takeda has had a dynamic career, previously working with Mitsubishi Electric Corporation, a global leader in electronics and electrical equipment. His experience at such a prestigious organization has greatly contributed to his expertise in the field.
Collaborations
Throughout his career, Takeda has collaborated with prominent figures in the industry, including coworkers Tadashi Takagi and Kiyoharu Seino. These partnerships have fostered a creative environment that has led to groundbreaking advancements in electronic engineering.
Conclusion
Fumio Takeda's contributions to the field of electronics have established him as a formidable inventor. His innovative patents continue to influence the development of technology, reflecting his dedication to pushing the boundaries of what is possible in electronic engineering.