This inventor holds 2 USPTO granted patents. Top assignees: Nisshinbo Industries, Inc., Otsuka Pharmaceutical Company, Limited, Otsuka Pharmaceutical Factory, Inc.. Active years: 1998-2001.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:


Years Active: 1998-2001
Title: Nobuhisa Tsutsumi: Innovator in Polyurethane Technology
Introduction
Nobuhisa Tsutsumi is a notable inventor based in Tokushima, Japan. He has made significant contributions to the field of polyurethane technology, holding 2 patents that showcase his innovative approach to material science.
Latest Patents
His latest patents include a production process for producing polyurethane elastic material and elastic yarn. This process involves using a combination of polymer diols and diisocyanates to create a polyurethane polymer in a fluid state. The method emphasizes continuous extrusion from a nozzle, ensuring efficiency in production. Another patent focuses on an antithrombotic resin, which is prepared by blending antithrombotics in polyurethane or polyurethane urea. This invention aims to enhance medical applications by utilizing specific polyether diols.
Career Highlights
Throughout his career, Nobuhisa Tsutsumi has worked with prominent companies such as Nisshinbo Industries, Inc. and Otsuka Pharmaceutical Factory, Inc. His experience in these organizations has allowed him to refine his expertise in polymer technology and contribute to various innovative projects.
Collaborations
He has collaborated with notable colleagues, including Kenji Tamura and Mitsuhiko Yoshimoto, further enriching his work and expanding the impact of his inventions.
Conclusion
Nobuhisa Tsutsumi's contributions to polyurethane technology reflect his dedication to innovation and improvement in material science. His patents not only advance the field but also hold potential for significant applications in various industries.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile