Company Filing History:
Years Active: 2019-2021
Title: Tetsuaki Ichikawa: Innovator in Electric Motor Technology
Introduction
Tetsuaki Ichikawa is a notable inventor based in Iwata, Japan. He has made significant contributions to the field of electric motor technology, holding 2 patents that showcase his innovative approach to engineering.
Latest Patents
Ichikawa's latest patents include an electric motor with brushes arranged at predetermined positions. This brushed motor features a rotation shaft, a commutator with multiple segments separated by undercuts arranged at unequal intervals, an armature, and a series of permanent magnets. The design incorporates a voltage equalizing line along with positive and negative electrode brushes. The relationship between the number of permanent magnets (Pz) and the number of segments (N) is defined by the equation N=Pz(K−0.5), where Pz is an even number greater than or equal to four, and K is a natural number greater than or equal to two. The undercuts are arranged at intervals that differ from a specified reference angle, which is determined by the expression θz=(360 degrees/Pz)±(360 degrees/2N).
Career Highlights
Ichikawa is currently employed at Denso Corporation, a leading global automotive components manufacturer. His work at Denso has allowed him to apply his innovative ideas in practical applications, contributing to advancements in electric motor technology.
Collaborations
Ichikawa has collaborated with notable coworkers, including Toshio Yamamoto and Masayuki Kuwano. Their teamwork has fostered an environment of creativity and innovation within the company.
Conclusion
Tetsuaki Ichikawa is a distinguished inventor whose work in electric motor technology has led to significant advancements in the field. His patents reflect a deep understanding of engineering principles and a commitment to innovation.