Company Filing History:
3 out of 28 
1 out of 21,893 
Years Active: 1993-1996
Title: Innovations of Seiji Hirohashi
Introduction
Seiji Hirohashi is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of engineering, particularly in the development of advanced braking systems and welding machines. With a total of three patents to his name, Hirohashi's work showcases his innovative approach to solving complex engineering challenges.
Latest Patents
One of Hirohashi's latest patents is a braking apparatus operated via resilient deformation of coned disk springs. This innovative braking system performs its function by pressing a brake bush radially inwardly against a rod. The design incorporates multiple coned disk springs, each featuring outer and inner radial recesses arranged in an alternating fashion. This configuration minimizes abrasion and enhances the durability of the braking apparatus. Another significant patent is for a spot welding machine that includes tip electrodes mounted on the tips of two arms. This machine features a pressing actuator and an interelectrode distance detector, allowing for precise control of the welding process. By braking the actuator at the desired distance, the machine effectively reduces operation time and lessens impact during welding.
Career Highlights
Throughout his career, Seiji Hirohashi has worked with prominent companies such as Honda Motor Co., Ltd. and Kabushiki Kaisha Sg. His experience in these organizations has contributed to his expertise in developing innovative engineering solutions.
Collaborations
Hirohashi has collaborated with talented individuals in the field, including Yuji Matsuki and Wataru Ichikawa. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
Seiji Hirohashi's contributions to engineering through his patents and collaborations highlight his innovative spirit and dedication to advancing technology. His work continues to influence the fields of braking systems and welding machines, showcasing the importance of innovation in engineering.