This inventor holds 2 USPTO granted patents. Top assignee: Asahi Kasei Kogyo Kabushiki Kaisha. Active years: 1981-1982.
Company Filing History:
Years Active: 1981-1982
Title: Keishiro Hiraga: Innovator in Thermoplastic Sheet Technology
Introduction
Keishiro Hiraga is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of thermoplastic materials, particularly in the development of extruded rigid thermoplastic sheets. With a total of 2 patents to his name, Hiraga's work showcases his expertise and innovative spirit.
Latest Patents
Hiraga's latest patents focus on the creation of extruded rigid thermoplastic sheets that possess optically smooth surfaces. These sheets are characterized by a degree of optical distortion (δ) ranging from 0.03 to 0.06. The production process involves polishing a sheet-form extrudate from an extruder using polishing rolls driven by a continuous driving force transmission. This innovative approach enhances the quality and performance of the thermoplastic sheets.
Career Highlights
Keishiro Hiraga is associated with Asahi Kasei Kogyo Kabushiki Kaisha, a leading company in the chemical and materials industry. His work at this organization has allowed him to push the boundaries of thermoplastic technology and contribute to advancements in material science.
Collaborations
Hiraga has collaborated with esteemed colleagues such as Tsuneyuki Katoh and Makoto Suzuki. These partnerships have fostered a creative environment that encourages innovation and the sharing of ideas.
Conclusion
Keishiro Hiraga's contributions to the field of thermoplastic materials are noteworthy. His patents reflect a commitment to innovation and excellence in material science. Through his work, he continues to influence the industry and inspire future advancements.