Location History:
- Kanagawa, JP (1992)
- Kamakura, JP (1993)
Company Filing History:
Years Active: 1992-1993
Title: The Innovations of Gen Toyoshima
Introduction
Gen Toyoshima is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 5 patents. His work focuses on enhancing the efficiency and performance of semiconductor amplifiers.
Latest Patents
One of Toyoshima's latest patents is a semiconductor amplifier that showcases a small size and high efficiency. This amplifier exhibits satisfactory efficiency characteristics over a wide band and maintains a low output level for secondary and tertiary higher harmonics. The design includes an output circuit composed of a parallel resonance circuit for the secondary higher harmonic, along with a first and second connection line. The open-end line is designed to correspond to approximately 1/4 of the wavelength of the tertiary higher harmonic. This innovative approach allows for optimal efficiency in the amplifier's performance.
Another significant patent is an amplifier circuit that corrects amplitude and phase distortions. This high-frequency amplifier circuit includes both an amplitude characteristic correction circuit and a phase characteristic correction circuit. The amplitude correction circuit adjusts the drain or collector voltage based on the envelope level of the input signal, ensuring linearity between the output and input amplitudes. Meanwhile, the phase correction circuit applies a phase shift to the input signal, aligning the output phase with that of the input signal.
Career Highlights
Gen Toyoshima is currently employed at Mitsubishi Electric Corporation, where he continues to innovate in the field of semiconductor technology. His work has been instrumental in advancing the capabilities of high-frequency amplifiers.
Collaborations
Throughout his career, Toyoshima has collaborated with notable colleagues, including Yukio Ikeda and Tadashi Takagi. These partnerships have contributed to the development of cutting-edge technologies in the semiconductor industry.
Conclusion
Gen Toyoshima's contributions to semiconductor technology through his innovative patents have significantly impacted the field. His work continues to inspire advancements in amplifier design and efficiency.