Shigeo Iijima

Title: Shigeo Iijima: Innovator in Motorcycle Technology

Introduction

Shigeo Iijima is a notable inventor based in Saitama, Japan. He has made significant contributions to motorcycle technology, holding a total of 3 patents. His innovative designs focus on enhancing the performance and safety of motorcycles.

Latest Patents

Iijima's latest patents include a frame structure for a saddle-ride type vehicle and a cylindrical shock absorber with a cover. The frame structure patent describes a motorcycle design that features a head pipe and a pair of left and right frame sections. These sections include down tubes that extend rearward from the head pipe, with a cross plate that connects them. This design helps suppress distortion and improves the controllability and straight traveling characteristics of the motorcycle. The cylindrical shock absorber patent outlines a design that integrates an oil pressure damper, a piston rod, and a cushion spring. The innovative arrangement allows for better performance and stability in motorcycle suspension systems.

Career Highlights

Throughout his career, Shigeo Iijima has worked with prominent companies in the automotive industry, including Honda Giken Kogyo Kabushiki Kaisha and Honda Motor Co., Ltd. His experience in these organizations has contributed to his expertise in motorcycle design and engineering.

Collaborations

Iijima has collaborated with notable coworkers such as Hirofumi Noro and Osamu Sato. Their combined efforts have led to advancements in motorcycle technology and design.

Conclusion

Shigeo Iijima's contributions to motorcycle technology through his innovative patents and collaborations have made a lasting impact on the industry. His work continues to influence the design and performance of motorcycles today.