Junichi Matsuura

Title: Innovations of Junichi Matsuura

Introduction

Junichi Matsuura is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of electronics, particularly in the development of advanced circuits and systems. With a total of 5 patents to his name, Matsuura's work reflects a deep understanding of both theoretical and practical aspects of engineering.

Latest Patents

Matsuura's latest patents include a voltage-controlled oscillator that features a variable capacitor. This invention incorporates a load capacitor within an oscillation circuit, which includes a feedback resistor, an inverter, and a crystal oscillator. The design allows for a static capacitance generated between the drain terminal and the gate terminal of MOS transistors, where the source and backgate terminals are shorted together. Additionally, a serial connection of a DC cut capacitor and a variable capacitor is formed between the crystal oscillator's ends. This innovative approach enables precise control over the output bias of temperature compensation control circuits or external voltage frequency control circuits.

Another significant patent is a function generating circuit and temperature characteristic controlling method. This circuit includes a temperature sensor that outputs a linear temperature characteristic current or voltage. The cubic function generating circuit receives this output and generates a cubic temperature characteristic voltage. By applying an external control signal to the temperature sensor, the output can be variably controlled, allowing for enhanced performance at ordinary temperatures.

Career Highlights

Throughout his career, Junichi Matsuura has worked with prominent companies such as Matsushita Electric Industrial Co., Ltd. and Mitsubishi Plastics Industries Limited. His experience in these organizations has contributed to his expertise in developing innovative electronic solutions.

Collaborations

Matsuura has collaborated with several talented individuals in the field, including Toshiyuki Manabe and Osamu Murakami. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Junichi Matsuura's contributions to the field of electronics through his patents and collaborations highlight his innovative spirit and technical expertise. His work continues to influence advancements in electronic circuit design and functionality.