Company Filing History:
2 out of 3,781 
1 out of 17 
1 out of 3 Years Active: 2004-2007
Title: **Koichi Matsushita: Innovator in High Frequency Power Amplifier Technology**
Introduction
Koichi Matsushita, an accomplished inventor from Komoro, Japan, has made significant contributions to the field of electronics with a focus on high frequency power amplifier circuit devices. With a total of three patents to his name, Matsushita’s work demonstrates innovation and a commitment to advancing technology in power amplification.
Latest Patents
His latest patent, the "High Frequency Power Amplifier Circuit Device," represents a milestone in the design of multistage power amplifiers. This device incorporates a series of semiconductor amplification elements arranged in a cascade configuration. A notable feature of this circuit is the inclusion of a bias control circuit. This circuit is essential for managing the bias voltage or bias current of output semiconductor amplification elements at each stage. By doing so, it reduces variations in output power relative to the power control signal voltage, especially around the threshold voltage of the semiconductor elements. The innovative design realizes high efficiency and excellent controllability of output power during low power output scenarios, which is particularly valuable in various applications of high frequency amplification.
Career Highlights
Koichi Matsushita has garnered experience in notable companies like Renesas Technology Corporation. His background in a leading semiconductor company has played a critical role in shaping his inventions and patents.
Collaborations
Throughout his career, Matsushita has collaborated with esteemed colleagues Yoshikuni Matsunaga and Toshihiko Shimizu. These collaborations highlight a joint effort in advancing technology and enhancing the capabilities of high frequency power amplifiers.
Conclusion
In conclusion, Koichi Matsushita is a distinguished inventor whose work in high frequency power amplifier circuit devices showcases his expertise and dedication to innovation. His contributions not only enhance the efficiency and control of power amplifiers but also position him as a key figure in the ongoing evolution of electronic circuitry. With his patents, Matsushita continues to influence the landscape of technology, paving the way for future advancements.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.