This inventor holds 22 USPTO granted patents and 4 published patent applications and 4 EPO patents, primarily in Polymer Chemistry. Top assignee: Sumitomo Chemical Company, Limited. Active years: 2009-2023.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Pasadena, CA (US) (2013 - 2018)
- Ichihara, JP (2009 - 2020)
- Osaka, JP (2021 - 2023)
Company Filing History:
Years Active: 2009-2023
Areas of Expertise:
Title: **Yasutoyo Kawashima: Pioneering Innovations in Polymer Technology**
Introduction
Yasutoyo Kawashima, an accomplished inventor based in Ichihara, Japan, has made significant contributions to the field of polymer science. With an impressive portfolio of 22 patents, Kawashima has been instrumental in advancing the understanding and application of polymer materials, particularly in resin composition and production methods.
Latest Patents
Kawashima's latest patents focus on the development of a polymer that incorporates two or more types of constitutional units with specified alkyl group characteristics. This polymer is notable for its sharp melting peak, allowing for easy temperature adjustments. Specifically, the innovation includes a polymer where each kind of constitutional unit contains an alkyl group with 14 to 30 carbon atoms, constituting at least 20% of the overall structure. This polymer demonstrates an enthalpy of fusion exceeding 30 J/g within a temperature range of 10°C to below 60°C, a breakthrough in polymer technology. Additionally, his resin composition patent discusses the integration of a low-molecular-weight compound with similar thermal characteristics, establishing a relationship between the dosage of the low-molecular-weight compound and the total polymer content in the mixture.
Career Highlights
Yasutoyo Kawashima is currently associated with the renowned Sumitomo Chemical Company, Limited, where he continues to drive innovations in material science. His expertise in polymer production methods has positioned him as a key player in advancing the industry and contributing to the development of high-performance materials.
Collaborations
Throughout his career, Kawashima has collaborated with other notable professionals in the field, including Yoshinobu Nozue and Yuki Iseki. These partnerships have fostered a productive environment for innovation and the sharing of ideas, further enhancing the impact of their collective work on polymer applications.
Conclusion
Yasutoyo Kawashima's contributions to polymer technology, evidenced by his numerous patents and ongoing research, underscore his role as a leading innovator in the field. His dedication to advancing polymer science continues to influence various industries and paves the way for future developments that enhance material performance and functionality.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile