Location History:
- Takaishi, JP (1983 - 1997)
- Chiyoda-ku, JP (1997)
- Osaka, JP (1988 - 2001)
Company Filing History:
24 out of 1,379 
1 out of 218 
1 out of 1,786 Years Active: 1983-2001
Title: **Nobutaka Uchikawa: A Pioneer in Polypropylene Innovations**
Introduction
Nobutaka Uchikawa is a prominent inventor based in Takaishi, Japan, who has made significant contributions to the field of polymer science, particularly through his extensive patent portfolio comprising 25 patents. His innovative work mainly focuses on the development of syndiotactic polypropylene copolymers and their applications in various industries.
Latest Patents
Uchikawa's latest patents showcase his expertise and creativity in polymer technology. One of his notable inventions includes a syndiotactic polypropylene copolymer, which consists of 70 to 99.9 mole % of propylene and 0.1 to 30 mole % of an olefin other than propylene. This copolymer exhibits a specific C-NMR spectrum, highlighting a significant peak ratio that indicates its unique structural properties. He has also developed extrusion-molded high-transparency articles, particularly films and sheets, utilizing this syndiotactic structure.
Additionally, Uchikawa has invented an insulating composition that comprises syndiotactic polypropylene (s-PP) with a pentad ratio of not less than 0.7. This composition demonstrates superior electrical and mechanical properties that remain stable even after significant temperature fluctuations during processing, making it suitable for insulating layers in various power cables and optical fibers.
Career Highlights
Throughout his career, Nobutaka Uchikawa has worked with reputable companies, including Mitsui Toatsu Chemicals and Mitsubishi Cable Industries. His role in these organizations allowed him to apply his innovation-driven approach to develop advanced materials that address modern industry needs.
Collaborations
Uchikawa has collaborated with esteemed professionals in his field, such as Tadashi Asanuma and Tetsunosuke Shiomura. Their collective expertise has fostered advancements in polymer formulations that enhance performance and sustainability.
Conclusion
Nobutaka Uchikawa remains a key figure in the world of innovative polymers, contributing to essential advancements through his patents and collaborative efforts. His work continues to inspire new research and development in the field, paving the way for future innovations in polypropylene applications.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.