Location History:
- Musashino, JP (1981 - 1986)
- Tokyo, JP (1988 - 1994)
Company Filing History:
5 out of 50 
4 out of 4 
2 out of 65 
Years Active: 1981-1994
Title: Hirotsugu Oishibashi: Innovator in Rail Engineering
Introduction
Hirotsugu Oishibashi is a prominent inventor based in Musashino, Japan, credited with seven patents that showcase his expertise in rail engineering and innovative machinery. His contributions to the field are significant, particularly in the development of specialized equipment for railway maintenance and construction.
Latest Patents
Oishibashi's latest patents include a **Rail Grinding Apparatus** designed for efficiently grinding railroad rails. This apparatus utilizes a grinding belt wrapped around motor-driven pulleys, mounted on a frame supported by rollers that bear its weight. A noise guard is incorporated to minimize operational noise, enhancing user comfort and efficiency.
Another notable invention is a **Small-Sized Gas Pressure Welding Machine for Rails**, featuring a sophisticated design that includes a pressure application unit and an excess metal punching unit. This machine is engineered to efficiently weld rails together, employing a movable pressure application clamp mechanism for clamping one rail foot and a stationary mechanism for the other. The design also incorporates upper and lower excess metal punching mechanisms, allowing for precision in removing excess material during the welding process.
Career Highlights
Hirotsugu Oishibashi has worked with reputable organizations, including the Japanese National Railways and Hakusan Seisakusho Co., Ltd. His roles in these companies have enabled him to apply his innovative ideas in practical settings, ultimately leading to significant advancements in rail technology.
Collaborations
Throughout his career, Oishibashi has collaborated with esteemed colleagues, including Muneyuki Ohara and Katsuyoshi Ueyama. These partnerships have fostered a collaborative environment for innovation, enabling the exchange of ideas and techniques that have contributed to the development of groundbreaking inventions.
Conclusion
Hirotsugu Oishibashi stands out in the field of rail engineering through his inventive spirit and dedication to improving railway technologies. His patents reflect a commitment to innovation that not only enhances operational efficiency but also prioritizes safety and user comfort in railway maintenance and construction. His work continues to influence the industry, inspiring future generations of inventors and engineers.
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.