This inventor holds 5 USPTO granted patents and 1 published patent application and 6 EPO patents. Top assignees: Asahi Kasei Kabushiki Kaisha, Asahi Kasei Chemicals Corporation. Active years: 2002-2024.
Location History:
- Kurashiki, JP (2002 - 2005)
- Tokyo, JP (2012)
Company Filing History:
4 out of 993 
1 out of 510 
Years Active: 2002-2024
Title: Eizaburou Ueno: Innovator in Polycarbonate Technology
Introduction
Eizaburou Ueno is a notable inventor based in Kurashiki, Japan. He has made significant contributions to the field of polycarbonate technology, holding a total of 5 patents. His work focuses on developing materials that exhibit excellent mechanical strength and resistance to various environmental factors.
Latest Patents
One of Ueno's latest patents involves the creation of polycarbonate diols and their applications. This polycarbonate diol comprises a repeating unit represented by a specific formula in a proportion of 0.1% by mass or more and 99.9% by mass or less. The polycarbonate diol serves as a raw material compound for producing polycarbonate-based polyurethanes that possess sufficient mechanical strength and a balanced set of physical properties, including oil resistance, hydrolysis resistance, and weather resistance. The polycarbonate diol includes repeating units of two distinct formulas, with both terminal groups being hydroxyl groups. The ratio of these formulas ranges from 99:1 to 1:99 by mol, and the number-average molecular weight is between 300 and 10,000.
Career Highlights
Throughout his career, Ueno has worked with prominent companies such as Asahi Kasei and Asahi Kasei Chemicals Corporation. His experience in these organizations has allowed him to refine his expertise in polymer chemistry and material science.
Collaborations
Ueno has collaborated with notable colleagues, including Mitsuo Konishi and Tetsuo Masubuchi. These partnerships have contributed to the advancement of innovative solutions in the field of polycarbonate materials.
Conclusion
Eizaburou Ueno's contributions to polycarbonate technology highlight his role as a significant inventor in the industry. His innovative patents and collaborations continue to influence the development of advanced materials.