This inventor holds 7 USPTO granted patents, plus 1 CIPO patent and 3 EPO patents. Top assignees: Honda Motor Co., Ltd., Honda Giken Kogyo Kabushiki Kaisha. Active years: 2000-2015.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Saitama, JP (2000 - 2014)
- Wako, JP (2010 - 2015)
Company Filing History:


Years Active: 2000-2015
Title: Keiichiro Niizuma: Innovator in Electric Vehicle Technology
Introduction
Keiichiro Niizuma is a prominent inventor based in Wako, Japan. He has made significant contributions to the field of electric vehicles, holding a total of 7 patents. His innovative designs focus on optimizing vehicle performance and enhancing user experience.
Latest Patents
One of his latest patents is for an electric straddled vehicle. This invention features a lightweight design that utilizes a compact motor, optimizing the left and right weight balances in relation to the vehicle body centerline. The electric motor is strategically placed within a swing arm, overlapping the projection area of the rear wheel when viewed from the side. Additionally, the motor driver is positioned to ensure the center of gravity is offset in the opposite direction of the electric motor, enhancing stability.
Another notable patent is for an electric three-wheeled vehicle. This design incorporates a centrifugal clutch that transmits rotary driving power to a counter shaft when the motor's revolution speed exceeds a specified threshold. The clutch is located coaxially at one end of the motor output shaft, with the counter shaft positioned within the motor's outer diameter. This arrangement optimizes the vehicle's performance and efficiency.
Career Highlights
Throughout his career, Keiichiro Niizuma has worked with renowned companies such as Honda Motor Co., Ltd. and Honda Giken Kogyo Kabushiki Kaisha. His experience in these organizations has significantly influenced his innovative approach to electric vehicle design.
Collaborations
Niizuma has collaborated with notable coworkers, including Masahide Mimura and Hitoshi Suzuki. Their combined expertise has contributed to the advancement of electric vehicle technology.
Conclusion
Keiichiro Niizuma is a visionary inventor whose work in electric vehicle technology continues to shape the industry. His patents reflect a commitment to innovation and efficiency, paving the way for future advancements in transportation.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile