Location History:
- Iwakuni, JP (2011)
- Yamaguchi, JP (2013 - 2015)
- Osaka, JP (2021)
Company Filing History:
Years Active: 2011-2021
Title: The Innovative Mind of Guemju Cha: Pioneering Heat Management Solutions
Introduction: Guemju Cha, an accomplished inventor based in Yamaguchi, Japan, has made significant contributions to the field of materials science with a focus on heat management technologies. With a total of four patents to his name, Cha's work has the potential to revolutionize various industries reliant on efficient thermal management.
Latest Patents: Among Cha's notable inventions, two stand out for their innovative approaches. The first is a **Heat Dissipation Sheet**, which comprises fibrous carbon and polymer components, designed to facilitate heat management. It features fibrous carbon with an average effective fiber length of 5-120 µm, an average fiber diameter of 200-900 nm, and a significant fibrous carbon content of 5-85% by mass. This invention aims to improve thermal conductivity and efficiency in various applications.
The second notable patent is a **Separator for Nonaqueous Secondary Batteries**, which highlights Cha's expertise in battery technology. This device boasts exceptional heat resistance, shutdown functions, flame retardancy, and ease of handling. It includes a polyolefin microporous membrane, laminated on at least one surface with a heat-resistant porous layer that contains a heat-resistant resin. Furthermore, it incorporates an inorganic filler made from metallic hydroxide, which undergoes a dehydration reaction at temperatures between 200 to 400°C, thereby enhancing the battery's overall performance.
Career Highlights: Cha's innovative spirit is complemented by his role at Teijin Limited, a reputable company known for its advancements in high-performance materials. His impactful work within the organization not only fosters his personal growth but also contributes to the company’s commitment to innovation in diverse sectors.
Collaborations: Working alongside talented individuals like Takahiro Daido and Satoshi Nishikawa, Cha engages in collaborative efforts that amplify the creativity and efficacy of their projects. These partnerships enable the merging of ideas and expertise, ultimately leading to groundbreaking advances in technology.
Conclusion: Guemju Cha exemplifies the essence of innovation through his strategic advancements in heat management solutions. His patented inventions are poised to enhance efficiency in various applications, making him a notable figure in the field of materials science. As the demand for effective thermal management continues to rise, Cha's contributions will likely play a crucial role in shaping the future of technology.