Kiyoshi Koyama

Title: Kiyoshi Koyama: Innovator in Charge Control Technology

Introduction

Kiyoshi Koyama is a notable inventor based in Kobe, Japan. He has made significant contributions to the field of charge control devices, holding a total of 3 patents. His work has been instrumental in advancing electronic device technology.

Latest Patents

Koyama's latest patents include a charge control device that features a switching regulator designed to charge a capacitor using electricity from a power supply. This device is characterized by a feedback unit that inputs a predetermined control amount to the switching regulator. The switching regulator also includes a control unit that manages the charge current supplied to the capacitor based on the feedback from the feedback unit. Another significant patent involves a switching regulator that converts an input voltage into an output voltage. This regulator's control unit performs switching control based on a comparison between a reference voltage and a complex voltage, which includes a feedback voltage derived from the output voltage and an input current.

Career Highlights

Throughout his career, Kiyoshi Koyama has worked with prominent companies such as Fujitsu Ten Limited and Denso Ten Limited. His experience in these organizations has allowed him to develop and refine his innovative technologies.

Collaborations

Koyama has collaborated with notable coworkers, including Ryoh Izumoto and Hideshi Nishizawa. Their combined expertise has contributed to the success of various projects and innovations.

Conclusion

Kiyoshi Koyama's contributions to charge control technology and his innovative patents have made a lasting impact in the field of electronics. His work continues to influence the development of advanced electronic devices.