Location History:
- BOTH OF, Toyota, JA (1976)
- Toyota, JP (1980 - 1998)
Company Filing History:
3 out of 1,838 
1 out of 3 
1 out of 36,499 
Years Active: 1976-1998
Title: Kiyoshi Hanai: Innovator in Yarn Durability and Vehicle Suspension
Introduction
Kiyoshi Hanai is a notable inventor based in Toyota, Japan. He has made significant contributions to the fields of textile testing and automotive engineering. With a total of four patents to his name, Hanai's work reflects a commitment to innovation and practical solutions.
Latest Patents
One of Hanai's latest patents is a knitted yarns durability tester with a vibration unit. This device measures the durability of a knitted yarn portion where at least two sets of yarns intersect. The tester includes a first holding unit that secures the ends of the yarns at specific positions relative to the knitted yarn portion. Additionally, a second holding unit holds the opposite ends of the yarns, while a position adjusting unit allows for the movement of these positions, thus varying the intersecting angle of the yarns. Another significant patent is for a suspension arm mounting designed for vehicles. This trailing arm suspension includes a suspension arm connected to a suspension member at both its inner and outer connecting portions. The outer connecting portion features a bush that allows for greater deflection compared to the bush in the inner connecting portion when subjected to equal radial loads.
Career Highlights
Kiyoshi Hanai has worked with prominent companies such as Toyota Motor Corporation and Sugiura Seisakusho Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in both textile and automotive technologies.
Collaborations
Hanai has collaborated with notable coworkers, including Masanobu Tsutsumi and Toshio Sugiura. These partnerships have fostered a creative environment that has led to the development of impactful inventions.
Conclusion
Kiyoshi Hanai's contributions to innovation in yarn durability testing and vehicle suspension systems highlight his expertise and dedication to advancing technology. His patents reflect a blend of creativity and practicality, making him a significant figure in his fields of work.
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.