Location History:
- Shizuoka, JP (2014 - 2015)
- West Bloomfield, MI (US) (2017 - 2018)
- Matsuyama, JP (2015 - 2021)
Company Filing History:
9 out of 1,588 
2 out of 31,024 
Years Active: 2014-2024
Title: Yuhei Konagai: Innovator in Composite Materials
Introduction
Yuhei Konagai is a notable inventor based in Matsuyama, Japan, who has made significant contributions to the field of composite materials. With a total of 9 patents to his name, Konagai's work primarily focuses on improving the properties and manufacturing processes of molded bodies and composite materials.
Latest Patents
Among his latest innovations, Konagai developed a method for producing a molded body through compression-molding, addressing issues of high impact resistance and warpage. This method involves the use of a pair of molds and two different material compositions: one containing carbon fiber and thermoplastic resin, and the other comprising glass fiber with another type of thermoplastic resin. The resulting molded body features a unique wave shape in cross section, with specific design parameters ensuring its structural integrity. Another significant patent involves a random mat and fiber-reinforced composite material that incorporates carbon fibers of varying lengths and densities, showcasing his commitment to advancing the performance of composite materials.
Career Highlights
Konagai has held positions at prominent companies such as Teijin Limited and GM Global Technology Operations LLC. His experience at these organizations has aided in his development of cutting-edge technologies that enhance the efficacy and applications of composite materials.
Collaborations
Throughout his career, Konagai has collaborated with several talented professionals, including Naoaki Sonoda and Katsuyuki Hagihara. Their combined expertise has likely contributed to the innovation and refinement of Konagai's patented processes and materials.
Conclusion
Yuhei Konagai stands out as a significant figure in the realm of inventions related to composite materials. His innovative approaches in molding technologies and materials science underscore his impact on the industry, providing solutions that advance the performance characteristics of molded bodies and composite products. With numerous patents to his name, Konagai continues to push the boundaries of what is possible in materials engineering.