Location History:
- Hachiohji, JP (1986)
- Tokyo, JP (1988)
Company Filing History:
2 out of 4 
1 out of 50 
1 out of 65 
Years Active: 1986-1988
Title: Kenzo Hagiwara - An Innovator in Welding Technology
Introduction
Kenzo Hagiwara is a notable inventor based in Hachiohji, Japan, recognized for his contributions to welding technology. With two patents to his name, Hagiwara has developed innovative machines that enhance the efficiency of welding processes in the railway and construction industries.
Latest Patents
Hagiwara's latest patent is a small-sized gas pressure welding machine for rails, designed to streamline the welding of rail sections. This machine features a pressure application unit and an excess metal punching unit. The pressure application unit includes a positioning bed aligned with the rail feet, equipped with both a movable and a stationary clamp mechanism. The movable clamp applies pressure to one rail foot while the stationary clamp secures the other, facilitating a tight connection. The excess metal punching unit is capable of being attached to the welding machine, designed to remove excess metal from the edges of the rail, ensuring a smooth and secure weld.
His second patent is a gas pressure welding machine aimed at joining reinforcing rods. This device includes a movable clamp for one rod and a stationary clamp for the other, alongside a punching die that shears off the bulge formed during the welding process. This innovation allows for efficient pressure butt welding, followed by immediate metal processing to maintain structural integrity.
Career Highlights
Throughout his career, Hagiwara has worked with prestigious companies such as Hakusan Seisakusho Co., Ltd. and Japanese National Railways. His experience in these organizations has contributed to the development of his patented technologies, reflecting a deep understanding of the challenges in welding operations.
Collaborations
Kenzo Hagiwara has collaborated with notable peers in the industry, including Hirotsugu Oishibashi and Muneyuki Ohara. These partnerships have fostered a creative environment, allowing for the exchange of ideas and advancements in welding technology.
Conclusion
Kenzo Hagiwara is a distinguished inventor whose innovations have significantly influenced the welding technology landscape. His patents showcase a commitment to improving welding efficiency and effectiveness. Through his work and collaborations, Hagiwara continues to drive advancements that benefit the railway and construction sectors.
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.