This inventor holds 4 USPTO granted patents. Top assignees: Nitto Boseki Co., Ltd., Kawasaki Steel Corporation, Mitsubishi Gas Chemical Company, Inc.. Active years: 1991-1996.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
4 out of 266 
3 out of 1,256 
2 out of 2,304 
Years Active: 1991-1996
Title: Eiji Fujisawa: Innovator in Carbon Fiber Technology
Introduction
Eiji Fujisawa is a notable inventor based in Fukushima, Japan. He has made significant contributions to the field of carbon fiber technology, holding a total of 4 patents. His innovative work focuses on enhancing the properties and applications of carbon fibers, making them more versatile for various industrial uses.
Latest Patents
Fujisawa's latest patents include advancements in carbon fiber chopped strands and coating dispersion. One of his inventions is directed to chopped strands of carbon fibers that contain 0.3-5% by weight of carbonaceous spherules present between the filaments. These chopped strands can be utilized in spinning processes. During production, the strands include water or an organic medium, in which 1-15% by weight of carbonaceous spherules are dispersed. The resulting chopped strands exhibit no fusion of filaments, excellent separation ability, and easy dispersion in a matrix while maintaining outstanding bundling properties. Another significant patent involves resin-coated chopped carbon fiber strands designed for direct injection molding. This innovation includes chopped carbon fiber strands coated with 20-50 parts by weight of a thermosetting resin and 0.5-30 parts by weight of a urethane resin based on 100 parts by weight of the carbon fiber chopped strands.
Career Highlights
Throughout his career, Eiji Fujisawa has worked with prominent companies such as Nitto Boseki Co., Ltd. and Kawasaki Steel Corporation. His experience in these organizations has allowed him to refine his expertise in carbon fiber technology and contribute to various innovative projects.
Collaborations
Fujisawa has collaborated with notable coworkers, including Hiroaki Shono and Motoi Marumoto. These partnerships have further enriched his work and led to advancements in the field of carbon fiber applications.
Conclusion
Eiji Fujisawa's contributions to carbon fiber technology through his patents and collaborations highlight his role as an influential inventor in this specialized field. His innovative approaches continue to pave the way for advancements in material science and engineering.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile