This inventor holds 1 USPTO granted patent. Top assignee: Japan Synthetic Rubber Co., Ltd.. Active years: 1990.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1990
Title: Nobuo Kawashima: Innovator in Hollow Polymer Particles
Introduction
Nobuo Kawashima is a notable inventor based in Yokkaichi, Japan. He has made significant contributions to the field of polymer science, particularly in the development of hollow polymer particles. His innovative work has led to advancements that are applicable in various industries, including coatings and pigments.
Latest Patents
Kawashima holds a patent for "Hollow polymer particles, process for production thereof, and use." This invention describes hollow polymer particles that consist of at least two polymer layers. The particles have an average diameter ranging from 0.15 to 20 micrometers, with specific characteristics such as an average equivalent hollow diameter to equivalent particle diameter ratio between 0.2 and 0.8. The patent also details the composition of the particles, including a toluene-insoluble portion ranging from 20 to 90% by weight and a melt flow rate at 180°C under 10 kgf/cm² between 0.1 to 1 g/10 min. Additionally, the invention includes hollow crosslinked polymer particles with unique properties, making them useful for applications such as pigments and coating compositions.
Career Highlights
Kawashima is associated with Japan Synthetic Rubber Co., Ltd., where he has been instrumental in research and development. His work has not only advanced the understanding of polymer materials but has also contributed to the practical applications of these materials in various industries.
Collaborations
Kawashima has collaborated with notable colleagues, including Fujio Sakurai and Hiroshi Tadenuma. These collaborations have fostered a productive environment for innovation and have led to significant advancements in their respective fields.
Conclusion
Nobuo Kawashima's contributions to the field of hollow polymer particles exemplify the impact of innovative thinking in material science. His patent and ongoing work continue to influence various applications, showcasing the importance of research and development in advancing technology.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile