Location History:
- Fujimi, JP (1991)
- Tochigi, JP (1993)
- Saitama, JP (1989 - 2012)
- Wako, JP (1999 - 2013)
Company Filing History:
10 out of 21,831 
8 out of 10,092 
Years Active: 1989-2013
Title: Hajime Kajiwara: Innovator in Suspension Technology
Introduction
Hajime Kajiwara is a prominent inventor based in Wako, Japan, known for his significant contributions to suspension technology. With a total of 18 patents to his name, Kajiwara has made remarkable advancements in the field of automotive engineering.
Latest Patents
One of Kajiwara's latest patents is a suspension device designed to enhance vehicle performance. This innovative suspension device features a knuckle that supports a wheel, with arms and a damper connected to the knuckle. The design ensures that the intersection between a line extended from the elastic kingpin axis of the rear wheel and the road surface is positioned on the rear side of the ground contact center of the rear wheel. Additionally, the elastic kingpin axis is tilted forward and located below the rotation center of the rear wheel. Another notable patent is the variable damping-force damper, which includes a cylinder tube filled with magnetic particles, a piston, and a piston rod. This damper is designed to provide variable damping force, enhancing the overall driving experience.
Career Highlights
Kajiwara has had a distinguished career, working with renowned companies such as Honda Motor Co., Ltd. and Honda Giken Kogyo Kabushiki Kaisha. His work has significantly influenced the automotive industry, particularly in the development of advanced suspension systems.
Collaborations
Throughout his career, Kajiwara has collaborated with notable colleagues, including Takehiko Hakui and Shoichi Sano. These partnerships have contributed to the innovative projects he has undertaken.
Conclusion
Hajime Kajiwara's contributions to suspension technology have established him as a leading inventor in the automotive field. His innovative patents and collaborations reflect his commitment to advancing vehicle performance and safety.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.