This inventor holds 3 USPTO granted patents. Top assignees: Mitsubishi Rayon Company, Limited, Nitto Chemical Industry Co., Ltd., Tonen Sekiyukagaku Kabushiki Kaisha. Active years: 1977-1990.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Yokohama, JA (1977 - 1978)
- Hiroshima, JP (1990)
Company Filing History:
2 out of 1,357 
2 out of 161 
1 out of 17 Years Active: 1977-1990
Title: Tetsuro Nakahama: Innovator in Heterocyclic Copolymers and Regenerated Cellulose Fibers
Introduction
Tetsuro Nakahama is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of materials science, particularly in the development of heterocyclic copolymers and regenerated cellulose fibers. With a total of three patents to his name, Nakahama's work showcases his innovative approach to solving complex problems in material properties.
Latest Patents
One of Nakahama's latest patents is a process for preparing heterocyclic copolymers. This invention involves obtaining copolymers comprising recurring units with specific structures through the hydrolyzing reaction of diisocyanate compounds with tolidine diisocyanate and hydrogen cyanide. The resulting heterocyclic copolymers exhibit excellent mechanical strength, heat resistance, and solvent resistance.
Another significant patent focuses on producing regenerated cellulose fibers with enhanced flameproofness. This method involves adding a polyphosphonate to viscose, which markedly increases the retention of the flameproofing agent in the fibers. The polyphosphonate's structure allows for various substitutions, enhancing the fibers' overall performance.
Career Highlights
Throughout his career, Tetsuro Nakahama has worked with prominent companies such as Mitsubishi Rayon Company, Limited and Nitto Chemical Industry Co., Ltd. His experience in these organizations has allowed him to refine his expertise in polymer science and contribute to innovative solutions in the industry.
Collaborations
Nakahama has collaborated with notable coworkers, including Koji Mimura and Atsushi Kawai. These partnerships have fostered a creative environment that has led to advancements in their respective fields.
Conclusion
Tetsuro Nakahama's contributions to the development of advanced materials through his patents highlight his role as an influential inventor. His work continues to impact the fields of polymer science and materials engineering.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile