Company Filing History:
Years Active: 1997-2007
Title: Kyoji Matsumura: Innovator in Automotive Electrical Systems
Introduction
Kyoji Matsumura is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of automotive electrical systems, holding two patents that enhance the reliability and efficiency of vehicle power supply systems.
Latest Patents
Matsumura's latest patents include a "Vehicle electrical power supply system for supplying power to a high power load." This invention provides an electrical power supply system for automotive vehicles that ensures high reliability and compact size. It effectively supplies adequate power to both high power loads, such as blower motors, and conventional loads like batteries using a standard alternator. The system comprises an alternator with an armature winding and a field coil, a stepping-up DC/DC converter, and a regulator that controls the output voltage based on the vehicle's rotating speed.
Another significant patent is the "Control apparatus for AC generator of motor vehicle." This invention focuses on a control apparatus for an AC generator that maintains high reliability while minimizing adverse effects on onboard batteries and high-voltage loads. It includes a rectifier circuit, an output change-over switch, and a voltage regulator that adjusts the exciting current supplied to the field coil based on the terminal voltage of the battery.
Career Highlights
Kyoji Matsumura is associated with Mitsubishi Electric Corporation, where he has been instrumental in developing innovative automotive technologies. His work has significantly impacted the efficiency and reliability of vehicle electrical systems.
Collaborations
Matsumura has collaborated with notable colleagues such as Shiro Iwatani and Yoshihito Asao, contributing to advancements in automotive electrical engineering.
Conclusion
Kyoji Matsumura's contributions to automotive electrical systems through his patents demonstrate his commitment to innovation in the field. His work continues to influence the design and functionality of modern vehicles.