Company Filing History:
1 out of 3,563 
1 out of 3 Years Active: 1987
Title: Innovations by Eijiro Kurata - The Creator of the Prefastenable Torque-Shear Bolt
Introduction
Eijiro Kurata, an inventive mind hailing from Yukuhashi, Japan, holds a patent that showcases his ingenuity in the field of fasteners. With a focus on creating innovative solutions, Kurata's work has potential applications across various industries, improving the efficiency and reliability of fastening mechanisms.
Latest Patents
Among Kurata's notable contributions is the patent for a Prefastenable Torque-Shear Bolt. This innovative bolt is designed with a thread that engages a nut effectively. It features two distinct grips: full-fastening and prefastening, each equipped with wrench-engaging surfaces for ease of use. The design includes transitional portions that taper like truncated cones and break-off grooves that cater specifically to full-fastening and prefastening applications. Importantly, the effective fracture area of the prefastening break-off groove is smaller than that of the full-fastening break-off groove, enhancing its functionality and reliability in various mechanical applications.
Career Highlights
Eijiro Kurata has worked with renowned companies, including Nippon Steel Corporation and Nippon Steel Bolten Co., Ltd. His experience in these prestigious organizations speaks to his expertise and commitment to advancing engineering and manufacturing technologies.
Collaborations
Throughout his career, Kurata has collaborated with fellow innovators such as Nobuyoshi Uno and Takayoshi Isa. These associations have likely contributed to the refinement of his ideas and the successful realization of his patent, enhancing the capabilities of the fasteners industry.
Conclusion
Eijiro Kurata's contributions to the field of engineering, particularly through his patented Prefastenable Torque-Shear Bolt, demonstrate the impact of innovation in developing practical solutions. His collaborations and career at prominent companies highlight his role as a significant inventor in the realm of fasteners, paving the way for future advancements in the industry.