Location History:
- Chibaken, JP (1993)
- Kimitsu, JP (1998 - 2004)
Company Filing History:
2 out of 3,568 
1 out of 832,912 Years Active: 1993-2004
Title: Daigo Sumimoto: Innovator in Automotive Engineering
Introduction
Daigo Sumimoto is a notable inventor based in Kimitsu, Japan. He has made significant contributions to the field of automotive engineering, particularly in the development of lightweight and high-strength components. With a total of 3 patents to his name, Sumimoto's work focuses on enhancing the safety and efficiency of automobiles.
Latest Patents
One of Sumimoto's latest patents is a lightweight strengthening member for automobiles. This invention aims to provide excellent crush resistance in the axial direction while maintaining high flexural strength. The design features a lengthy strengthening member with concave portions at the corners of a rectangular cross-section, forming a cruciform closed section. The wall thickness of the concave portions is 5 to 30% thicker than that of the other sections, ensuring durability without cracking, even when using high-strength steel sheets.
Another significant patent involves a forming method and forming stand for welded pipes. This invention is designed to achieve high dimensional accuracy in the manufacturing of welded pipes. The method allows for the precise adjustment of upper and lower horizontal forming rolls, ensuring that the edges of the metallic strip are formed accurately without compromising wall thickness. This innovation is particularly beneficial for producing pipes of varying diameters.
Career Highlights
Throughout his career, Daigo Sumimoto has worked with prominent companies, including Nippon Steel Corporation. His experience in the industry has allowed him to develop innovative solutions that address critical challenges in automotive manufacturing.
Collaborations
Sumimoto has collaborated with esteemed colleagues such as Kenji Hada and Yasuo Kimiya. Their combined expertise has contributed to the advancement of automotive technologies and the successful implementation of innovative designs.
Conclusion
Daigo Sumimoto's contributions to automotive engineering exemplify the importance of innovation in enhancing vehicle safety and performance. His patents reflect a commitment to developing advanced solutions that meet the evolving needs of the automotive industry.