Company Filing History:
Years Active: 2019-2021
Title: Hiroko Nakaoka: Innovator in Sustainable Pulp Recovery
Introduction
Hiroko Nakaoka is a prominent inventor based in Kochi, Japan. She has made significant contributions to the field of sustainable materials, particularly in the recovery of pulp fibers from used sanitary products. With a total of 3 patents, her work focuses on innovative methods that enhance recycling processes and reduce waste.
Latest Patents
One of her latest patents is a method for recovering pulp fiber from used sanitary products. This innovative approach effectively recovers pulp fiber containing little ash from products that include both pulp fiber and polymer absorbents. The method involves treating the used sanitary product with an ozone-containing gas to decompose and remove a portion of the polymer absorbent. Following this, the treated product is stirred in water or an antiseptic solution to break it down into its constituents. If necessary, the process includes a step for separating the pulp fiber from the resulting decomposition product.
Career Highlights
Hiroko Nakaoka is currently employed at Unicharm Corporation, where she continues to develop her innovative ideas. Her work has garnered attention for its potential to improve recycling methods and contribute to environmental sustainability.
Collaborations
Throughout her career, Nakaoka has collaborated with notable colleagues, including Takayoshi Konishi and Toshio Hiraoka. These partnerships have allowed her to enhance her research and expand the impact of her inventions.
Conclusion
Hiroko Nakaoka's contributions to the field of sustainable materials through her innovative methods for pulp recovery highlight her role as a leading inventor. Her work not only advances recycling technology but also promotes environmental sustainability.