Hiroshi Kusume is a notable inventor based in Sagamihara, Japan. He has made significant contributions to the field of materials science, particularly in the development of advanced polyester films. With a total of four patents to his name, Kusume's work has had a considerable impact on various applications, including light-diffusing plates and capacitors.

Latest Patents

Kusume's latest patents include a biaxially oriented polyester film designed for light-diffusing plates. This innovative film exhibits excellent uniform light diffusibility, heat-resistant dimensional stability, and luminance, making it suitable as a substrate for light-diffusing plates in liquid crystal display devices. The film comprises a polyester containing polyethylene-2,6-naphthalene dicarboxylate as its main component. It demonstrates a heat shrinkage of not higher than 0.3% when heat-treated at 105°C for 30 minutes, along with a dimensional change rate of not higher than 1.0% under specific stress and temperature conditions. Additionally, the film has a density of not lower than 1.350 g/cm, a total light transmittance of not lower than 87%, a haze value of lower than 1.5%, and a thickness ranging from 50 to 150 micrometers. Another significant patent is for a polyester film intended for capacitors. This film is also a biaxially oriented film comprising polyethylene-2,6-naphthalenedicarboxylate as a principal component. It possesses excellent insulation characteristics without compromising processing capabilities, particularly during hot-pressing, making it suitable as a dielectric for capacitors.

Career Highlights

Kusume is currently employed at Teijin Limited, a leading company in the field of advanced materials. His work at Teijin has allowed him to focus on innovative solutions that address the needs of modern technology. His contributions have been instrumental in enhancing the performance and reliability of various products.

Collaborations

Throughout his career, Kusume has collaborated with talented individuals such as Koji Furuya and Makoto Handa. These collaborations have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies.

Conclusion

Hiroshi Kusume's innovative work in the field of polyester films has led to significant advancements in

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