Company Filing History:
1 out of 3 
1 out of 1,232 Years Active: 1999
Title: Kazuhiro Itonaga: Innovator in Clutch Technology
Introduction
Kazuhiro Itonaga is a notable inventor based in Hamamatsu, Japan. He has made significant contributions to the field of clutch technology, particularly with his innovative designs that enhance the functionality of clutches in various applications. His work has led to the development of a unique patent that showcases his expertise and creativity.
Latest Patents
Kazuhiro Itonaga holds a patent for a "Return spring for clutch." This invention utilizes a compression coil spring as a return spring, which is housed within the clutch to effectively urge the clutch piston in its returning direction. The design specifies that the effective number of turns of the compression coil spring is two or less, with the number of turns at an end-turn portion being more than 0.45 and not exceeding 0.7. The compression coil spring operates in a compressed state throughout the clutch piston’s operating stroke. The ideal number of turns at the end-turn portion is recommended to be within the range of 0.5 to 0.65, with a more desirable range of 0.55 to 0.62. This innovative approach enhances the performance and reliability of clutch systems.
Career Highlights
Throughout his career, Kazuhiro Itonaga has worked with prominent companies such as FCC, LLC and NHK Spring Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to advancements in clutch technology. His dedication to innovation is evident in his patent and the impact it has on the industry.
Collaborations
Kazuhiro has collaborated with talented individuals in his field, including Jun Tokumasu and Kenjiro Kawanabe. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of cutting-edge technologies.
Conclusion
Kazuhiro Itonaga is a distinguished inventor whose work in clutch technology has made a lasting impact. His patent for the return spring for clutches exemplifies his innovative spirit and commitment to enhancing mechanical systems. His contributions continue to influence the industry and inspire future innovations.
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.