Company Filing History:
Years Active: 1980-1994
Title: Innovations of Jun Kishi
Introduction
Jun Kishi is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of electrical engineering, particularly in motor driving circuits and semiconductor devices. With a total of four patents to his name, Kishi's work showcases his innovative approach to solving complex engineering challenges.
Latest Patents
One of Kishi's latest patents is a driving circuit for direct-current (DC) motors. This motor driving circuit is capable of controlling motor speed through a current-controlled method using negative impedance. It consists of several components, including a constant-current circuit, a reference voltage generating circuit, a comparator circuit, an output driving circuit, a symmetric current circuit, and a switching circuit. The design allows for sufficient torque during the starting operation of the motor, enhancing its performance.
Another significant patent is for a semiconductor device that features at least two resistors with high resistance. This device comprises pinch resistors or ion-implanted resistors that maintain a precise resistance ratio despite differing configurations. The innovative design ensures that the resistance values are accurately determined, which is crucial for various applications in electronics.
Career Highlights
Kishi has worked with prominent companies such as Nippon Electric Co., Ltd. and NEC Corporation. His experience in these organizations has allowed him to develop and refine his inventions, contributing to advancements in technology.
Collaborations
Kishi has collaborated with notable coworkers, including Hirokazu Fukaya and Hirokazu Kukaya. Their teamwork has likely fostered an environment of innovation and creativity, leading to the development of groundbreaking technologies.
Conclusion
Jun Kishi's contributions to the field of electrical engineering through his patents and collaborations highlight his role as a significant inventor. His innovative designs continue to influence the industry and pave the way for future advancements.