Location History:
- Tokyo, JP (2021)
- Chiba, JP (2020 - 2024)
Company Filing History:
Years Active: 2020-2024
Title: Innovations by Koh Sakai: Pioneering Ultrafine Cellulose Fiber Sheets
Introduction
Koh Sakai is a notable inventor hailing from Chiba, Japan, recognized for his significant contributions to the field of materials science, particularly through his innovations involving ultrafine cellulose fiber sheets. With a total of six patents to his name, Sakai's work reflects a commitment to enhancing material properties such as weather resistance and dimensional stability.
Latest Patents
Among his latest patents, one focuses on developing an ultrafine cellulose fiber-containing sheet designed to excel in weather resistance. This invention specifies cellulose fibers that measure 1000 nm or less in width, featuring anionic functional groups. Notably, it incorporates a method for calculating the yellowness increase percentage, ensuring that the product maintains aesthetic integrity when subjected to heat.
Another patent by Sakai addresses the creation of a composite sheet emphasizing high tensile stability while reducing appearance deterioration and yellowness changes. This innovative sheet consists of cellulose fibers, also measuring 1000 nm or less, that include a phosphoric acid group or its derived substituent, in conjunction with a polyvinyl alcohol-based resin. The resulting product boasts a tensile elastic modulus of 3.4 GPa or more, showcasing its robust performance.
Career Highlights
Koh Sakai has collaborated with esteemed corporations such as Oji Holdings Corporation, contributing to advancements in cellulose fiber technology. His extensive experience and expertise in this area have positioned him as a leading figure in the innovation of environmentally friendly materials.
Collaborations
Throughout his career, Sakai has worked alongside other talented individuals, including his colleagues Hayato Fushimi and Go Banzashi. These collaborations have further enriched his research endeavors and led to the development of cutting-edge inventions.
Conclusion
Koh Sakai's inventive spirit and dedication to improving material science through his patents have made significant impacts in the industry. His work not only demonstrates the potential of ultrafine cellulose fibers but also paves the way for future innovations that prioritize both functionality and sustainability.
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.