This inventor holds 3 USPTO granted patents. Top assignees: Kurita Water Industries Ltd., Mitsubishi Chemical Corporation. Active years: 2013-2014.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Kitakyushu, JP (2013 - 2014)
- Fukuoka, JP (2014)
Company Filing History:
3 out of 321 
1 out of 2,423 Years Active: 2013-2014
Title: Masako Yasutomi: Innovator in Ion Exchange Resin Technology
Introduction
Masako Yasutomi is a prominent inventor based in Kitakyushu, Japan. She has made significant contributions to the field of ion exchange resin technology, holding a total of 3 patents. Her work focuses on methods for manufacturing various types of ion exchange resins, which are crucial in water purification and electronic component manufacturing.
Latest Patents
Yasutomi's latest patents include innovative methods for manufacturing both anion and cation exchange resins. One of her notable inventions details a method for producing a cation exchange resin. This method involves copolymerizing a monovinyl aromatic monomer and a cross-linkable aromatic monomer to create a cross-linked copolymer. The process specifies a leachable compound content of 400 µg or less per gram of the cross-linked copolymer, followed by sulfonation to form a sulfonylated cross-linked copolymer. Additionally, she has developed a method for manufacturing an anion exchange resin, which includes contacting a water-soluble polymer with a resin to produce the anion exchange resin. This method ensures that the amount of contact of the water-soluble polymer is between 0.01 to 10 mmol/L, achieving a wafer surface flatness of 4 Å or less.
Career Highlights
Throughout her career, Masako Yasutomi has worked with notable companies such as Kurita Water Industries Ltd. and Mitsubishi Chemical Corporation. Her experience in these organizations has allowed her to refine her expertise in resin technology and contribute to advancements in the field.
Collaborations
Yasutomi has collaborated with esteemed colleagues, including Takeo Fukui and Tetsuo Mizuniwa. These partnerships have further enriched her research and development efforts in ion exchange resin technology.
Conclusion
Masako Yasutomi's innovative work in the field of ion exchange resins has established her as a key figure in this area of technology. Her patents reflect her commitment to advancing methods that enhance water purification and electronic component manufacturing.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile