Location History:
- Chiba-ken, JP (2008)
- Wako, JP (2000 - 2012)
- Saitama, JP (1989 - 2013)
Company Filing History:
12 out of 10,092 
4 out of 21,927 
1 out of 9 Years Active: 1989-2013
Title: The Innovative Mind of Toshiyuki Iwai
Introduction
Toshiyuki Iwai is a prominent inventor based in Saitama, Japan, known for his significant contributions to the field of motorcycle design. With a total of 16 patents to his name, Iwai has made remarkable advancements in two-wheeled motor vehicles, showcasing his expertise and innovative spirit.
Latest Patents
One of Iwai's latest patents involves a motorcycle design that features a unique rear fork structure. This motorcycle includes a rear fork with a first and second extending portion, along with a cross portion that links them together. The first extending portion extends toward one side of the rear wheel, while the second extending portion extends toward the opposite side. Notably, the first extending portion has an open cross-sectional structure that accommodates a drive shaft, which is designed to have a larger outer diameter than the closed cross-sectional second extending portion. Despite the difference in structure, both extending portions maintain approximately the same rigidity. The drive shaft extends rearwardly and passes through the opening within the first extending portion. Another significant patent pertains to a two-wheeled motor vehicle equipped with a drive shaft that is rotatably supported by a swing arm. The longitudinal center axis of the drive shaft is strategically positioned below a line connecting the pivot shaft and the axle, ensuring optimal performance.
Career Highlights
Throughout his career, Toshiyuki Iwai has worked with notable companies in the automotive industry, including Honda Giken Kogyo Kabushiki Kaisha and Honda Motor Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking innovations in motorcycle technology.
Collaborations
Iwai has collaborated with talented individuals such as Shinji Ito and Takanori Aika, further enhancing his work and expanding the scope of his inventions.
Conclusion
Toshiyuki Iwai's inventive contributions to motorcycle design have established him as a key figure in the industry. His patents reflect a deep understanding of engineering principles and a commitment to innovation.