Location History:
- Kudamatsu, JP (1985 - 2005)
- Yamaguchi, JP (2004 - 2005)
Company Filing History:
23 out of 42,496 
2 out of 140 
1 out of 1 Years Active: 1985-2005
Title: Sumio Okuno: A Pioneer in Railway Safety Innovations
Introduction
Sumio Okuno, a notable inventor hailing from Kudamatsu, Japan, has made significant contributions to the field of railway safety through his innovative designs. With a remarkable portfolio of 23 patents, Okuno’s work focuses on enhancing the structural integrity and safety of railway cars. His inventive spirit is exemplified in his latest patents, which bring forth groundbreaking technologies aimed at improving passenger safety during collisions.
Latest Patents
Okuno's recent patents include a sophisticated design for a railway car that integrates an advanced shock absorption system. This system features a front-end portion positioned on the car body, incorporating extruded hollow members that serve as shock absorbers. These hollow members are expertly divided into upper and lower components, using annealed extruded materials to enhance their performance. Upon impact, the design allows the hollow members to fold into concertinas, effectively absorbing significant energy while maintaining structural integrity. This innovative approach minimizes impact loads on passengers during collisions, ensuring improved safety without drastically altering conventional railway car structures.
Another significant patent of his involves a similar use of hollow shape members positioned at the ends of the car body’s underframe. These members are designed to deform and collapse under impact, thereby relieving the force experienced by passengers. Okuno’s inventive solutions serve not only to protect passengers but also to maintain the railway's overall safety standards.
Career Highlights
Sumio Okuno has had a distinguished career, collaborating with leading companies such as Hitachi, Ltd. and Sumitomo Light Metal Industries, Ltd. His work in these organizations has allowed him to develop and refine technologies that address critical safety issues in railway transportation. His extensive experience in the field underpins his innovative approach to design and engineering.
Collaborations
Throughout his career, Okuno has had the privilege of working alongside talented professionals such as Morishige Hattori and Michifumi Takeichi. These collaborations have fostered an environment of creativity and innovation, enabling the development of cutting-edge safety solutions in railway engineering. Together, they have worked on projects that have had a lasting impact on the industry.
Conclusion
Sumio Okuno stands out as a visionary inventor dedicated to advancing railway safety through innovation. His numerous patents reflect his commitment to designing effective solutions for passenger protection. As the railway industry continues to evolve, the contributions of inventors like Okuno will remain crucial in shaping a safer and more reliable transportation future.