Location History:
- Wako, JP (2005 - 2010)
- Saitama, JP (2012)
Company Filing History:
2 out of 21,927 
1 out of 10,092 
Years Active: 2005-2012
Title: Ryoji Toyofuku: Innovator in Electric Motor Technology
Introduction
Ryoji Toyofuku is a notable inventor based in Wako, Japan. He has made significant contributions to the field of electric motor technology, holding a total of 3 patents. His work focuses on enhancing the efficiency and functionality of electric motors and power steering systems.
Latest Patents
One of Toyofuku's latest patents is an innovative electric motor and electric power steering apparatus. This electric motor features a rotation shaft housed within a motor housing, which includes at least one pair of rolling bearings that support both ends of the rotation shaft. A displacement restriction member is also integrated into the motor housing to limit the axial movement of the rolling bearings. Each rolling bearing consists of an inner race, an outer race, and rolling elements that facilitate smooth rotation. The inner race is press-fitted onto the rotation shaft, while the outer race is securely fitted into the motor housing.
Another significant patent involves a worm gear mechanism and an electric power steering apparatus equipped with this mechanism. The worm gear mechanism comprises a driving worm, a torque delivering worm wheel that meshes with the worm, and an auxiliary worm wheel that is superimposed on the torque delivering worm wheel. The auxiliary worm wheel has a larger pitch diameter than the torque delivering worm wheel and is biased against the driving worm wheel by a leaf spring.
Career Highlights
Throughout his career, Ryoji Toyofuku has worked with prominent companies, including Honda Motor Co., Ltd. and Honda Giken Kogyo Kabushiki Kaisha. His experience in these organizations has allowed him to develop and refine his innovative ideas in electric motor technology.
Collaborations
Toyofuku has collaborated with notable coworkers such as Yasuo Shimizu and Katsuji Watanabe. Their combined expertise has contributed to the advancement of electric motor technologies and related inventions.
Conclusion
Ryoji Toyofuku is a distinguished inventor whose work in electric motor technology has led to several important patents. His innovative designs and collaborations with industry leaders continue to influence the field.