Location History:
- Gumma, JP (1995)
- Kiryu, JP (1996)
- Gumma-ken, JP (1996)
Company Filing History:
2 out of 53 
1 out of 1 
1 out of 103 
Years Active: 1995-1996
Title: The Innovations of Shuji Shimoyama
Introduction
Shuji Shimoyama is a notable inventor based in Kiryu, Japan. He has made significant contributions to the field of electrical engineering, particularly in the design of commutators and contact assemblies for magnetic switches. With a total of 3 patents to his name, his work has had a considerable impact on the efficiency of electrical components.
Latest Patents
One of his latest patents is a commutator with improved connection between carbon and metal segments. This innovative design features a flat commutator that includes a circular arrangement of sectorial carbon segments made of conductive carbon, providing a commutating surface. The metallic segments are attached to the respective carbon segments, and the hub body is made of synthetic resin. The design ensures that the metallic segments have fixing members that encroach into the inner and outer peripheral surfaces of the carbon segments, effectively securing them.
Another significant patent is for a contact assembly for a magnetic switch. This invention includes a plurality of square projections arranged in two mutually perpendicular directions on the surface of a plate member. The design allows for effective heat dissipation, preventing an increase in contact resistance due to heat generation, thereby enhancing the efficiency of starter motors.
Career Highlights
Shuji Shimoyama has worked with prominent companies in the industry, including Mitsuba Electric Manufacturing Co., Ltd. and Kunimitsu Carbon Industry Co., Ltd. His experience in these organizations has contributed to his expertise and innovative capabilities in electrical engineering.
Collaborations
Throughout his career, Shimoyama has collaborated with talented individuals such as Mitsuhiro Kogure and Shinichi Nagashima. These collaborations have likely fostered an environment of creativity and innovation, leading to the development of his patented technologies.
Conclusion
Shuji Shimoyama's contributions to the field of electrical engineering through his patents demonstrate his innovative spirit and technical expertise. His work continues to influence the efficiency of electrical components, showcasing the importance of innovation in technology.