Location History:
- Saitama, JP (2002 - 2014)
- Wako, JP (2011 - 2016)
Company Filing History:
6 out of 21,893 
3 out of 10,092 
Years Active: 2002-2016
Title: Eiji Adachi: Innovator in Two-Wheeled Vehicle Suspension Systems
Introduction
Eiji Adachi is a prominent inventor based in Saitama, Japan. He has made significant contributions to the field of vehicle suspension systems, particularly for two-wheeled vehicles. With a total of 9 patents to his name, Adachi's work has been instrumental in enhancing the performance and safety of motorcycles and similar vehicles.
Latest Patents
Adachi's latest patents include innovative designs for rear-wheel suspension systems. One notable patent describes a rear-wheel suspension system for a two-wheeled vehicle that features a pair of right- and left-side center frames, a swing arm, and a shock absorber. This shock absorber incorporates a tubular buffer and a spring, with a unique design that shifts the position of the spring downwardly. This design allows the intake system part to be moved toward the interior of the vehicle body, optimizing space and functionality.
Another patent focuses on a rear-wheel suspension system that further reduces vehicle width. This design includes a coil spring with a tubular damper case and a rod connected to a piston within the shock absorber. The external hydraulic sub-tank is positioned lower than the upper end of the shock absorber, enhancing the overall efficiency of the suspension system.
Career Highlights
Eiji Adachi has had a distinguished career, working with renowned companies such as 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 vehicle technology.
Collaborations
Throughout his career, Adachi has collaborated with talented individuals, including Yuji Noguchi and Tomohiro Fuse. These partnerships have contributed to the successful development of his patented technologies.
Conclusion
Eiji Adachi's contributions to the field of two-wheeled vehicle suspension systems are noteworthy. His innovative patents and collaborations with leading companies and individuals have significantly impacted the industry. Adachi continues to be a driving force in the advancement of vehicle technology.