Company Filing History:
Years Active: 2013-2021
Title: Innovations by Takashi Umemori
Introduction
Takashi Umemori is a notable inventor based in Kamakura, Japan. He has made significant contributions to the field of motor systems, focusing on innovations that enhance efficiency and reduce reliance on rare-earth materials. With a total of 2 patents, his work is paving the way for more sustainable technologies.
Latest Patents
Umemori's latest patents include the Cross-coupled composite motor, the Cross-coupled composite power generator, and the Cross-coupled composite linear motor. These inventions provide a motor system that is well-suited for modern society, eliminating the need for rare-earth magnets. His designs improve the torque weight ratio by approximately one digit compared to conventional motors and achieve a transfer efficiency of 90% between electric energy and rotational energy. The stator features a dual-ring tooth-groove iron core, which has magnetic pole surfaces on both sides and receives coils of a two-phase structure that are interconnected. The rotor is designed to rotate while holding eight sets of attraction poles, enhancing the overall performance of the motor system.
Another significant invention is the regenerative switched reluctance motor driving system. This system allows for a reduced size and weight of the motor while increasing efficiency and improving energy recovery during regenerative braking, all without the use of neodymium magnets. The system utilizes a constant current flip-flop circuit to manage current paths, optimizing performance during both driving and braking phases.
Career Highlights
Throughout his career, Umemori has worked with various companies, including Ev Motor-Systems Co., Ltd. and Ccu Linear Motor Laboratory Ltd. His experience in these organizations has contributed to his expertise in motor technology and innovation.
Collaborations
One of his notable collaborators is Makoto Tanaka, with whom he has worked on various projects to advance motor technology.
Conclusion
Takashi Umemori's innovative contributions to motor systems demonstrate his commitment to enhancing efficiency and sustainability in technology. His patents reflect a forward-thinking approach that addresses modern challenges in energy use and material reliance.