This inventor holds 24 USPTO granted patents and 16 EPO patents, primarily in Electric Compressors. Top assignees: Mitsubishi Heavy Industries Limited, Mitsubishi Heavy Industries Thermal Systems, Ltd., Mitsubishi Heavy Industries Automotive Thermal Systems Co., Ltd.. Active years: 2010-2020.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Kiyosu, JP (2011 - 2014)
- Aichi, JP (2011 - 2016)
- Aichi-ken, JP (2010 - 2018)
- Tokyo, JP (2015 - 2020)
Company Filing History:


Years Active: 2010-2020
Areas of Expertise:
Title: Kazuki Niwa: A Pioneer in Electric Motor Technology
Introduction
Kazuki Niwa is an esteemed inventor based in Tokyo, Japan, recognized for his significant contributions to electric motor technology. With an impressive portfolio comprising 24 patents, Niwa’s inventions demonstrate a commitment to innovation and efficiency in the engineering field.
Latest Patents
Among his latest patents, Niwa has developed an electric motor featuring a stator with step-shaped stator teeth. This innovative electric motor comprises a stator core made by laminating several annular electromagnetic steel sheets, which have multiple tooth portions around each winding coil. Notably, the circumferential widths of the tooth portions gradually narrow towards the end portions, providing improved performance and efficiency. Additionally, he has introduced a method for producing such an electric motor, which involves a flexible, planar insulating member that enhances the overall design and functionality by deforming ear portions to better conform to the tooth shapes.
Career Highlights
Niwa’s career has been significantly shaped by his roles at renowned companies. He has worked with Mitsubishi Heavy Industries Limited and Mitsubishi Heavy Industries Thermal Systems, Ltd., where he applied his extensive knowledge in mechanical engineering to develop cutting-edge technologies and innovative products.
Collaborations
Throughout his career, Niwa has collaborated with talented professionals in the field, including coworkers Makoto Hattori and Koji Nakano. These collaborations have likely contributed to the refinement and success of his inventions, leveraging collective expertise to achieve breakthroughs in electric motor design.
Conclusion
Kazuki Niwa stands out as a notable inventor whose work has greatly influenced advancements in electric motor technology. His 24 patents reflect his dedication to innovation and his ability to collaborate effectively within the industry. As the demand for efficient and effective electric motors continues to grow, Niwa’s contributions will undoubtedly play a crucial role in shaping the future of this technology.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile