Company Filing History:
Years Active: 2015-2018
Title: Innovations by Katsufumi Hiraishi
Introduction
Katsufumi Hiraishi is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of display technology, holding a total of 4 patents. His work focuses on creating advanced display devices that are thin, lightweight, and flexible.
Latest Patents
Hiraishi's latest patents include a display device and a method for manufacturing the same, as well as a polyimide film for display device supporting bases. These innovations address common issues such as cracks and peeling caused by thermal stress. The display device features a supporting base made of polyimide film, which boasts a transmittance of 80% or more in the wavelength range of 440 nm to 780 nm. Additionally, it has a coefficient of thermal expansion of 15 ppm/K or less, ensuring excellent dimensional stability.
Career Highlights
Katsufumi Hiraishi is currently employed at Nippon Steel & Sumikin Chemical Co., Ltd. His work at this company has allowed him to develop cutting-edge technologies that enhance the performance and reliability of display devices.
Collaborations
Hiraishi has collaborated with notable colleagues, including Hongyuan Wang and Masakazu Katayama. These partnerships have contributed to the advancement of his research and innovations in the field.
Conclusion
Katsufumi Hiraishi's contributions to display technology through his patents and collaborations highlight his role as a leading inventor in the industry. His work continues to influence the development of more efficient and reliable display devices.