This inventor holds 2 USPTO granted patents. Top assignees: Merck Patent Gesellschaft MIT Beschraenkter Haftung, Merck Patent Gesellschaft MIT Beschrankter Haftung. Active years: 1992-1995.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Iwaki, JP (1992)
- Fukushima, JP (1995)
Company Filing History:
1 out of 100 
1 out of 1,248 
Years Active: 1992-1995
Title: Yumiko Waragai: Innovator in Pigment Technology
Introduction
Yumiko Waragai is a notable inventor based in Iwaki, Japan. She has made significant contributions to the field of pigment technology, holding 2 patents that showcase her innovative approach to creating advanced materials.
Latest Patents
Her latest patents include the development of an ultra-fine granular barium sulfate-coated flaky pigment. This invention involves a method where fine flaky grains are coated with ultra-fine barium sulfate grains, enhancing their application in various industries. The process includes reacting an aqueous solution containing a complexing agent with a water-soluble barium compound and sulfate ions. This pigment is particularly useful in cosmetics, automotive top coats, plastics, printing inks, and building materials. Another significant patent is for a bluish green pigment, which consists of a flaky fine powder substrate coated with a metal oxide composite. This composite includes oxides of magnesium, calcium, cobalt, and titanium, providing a unique coloration for various applications.
Career Highlights
Yumiko has worked with reputable organizations, including Merck Patent Gesellschaft mit beschränkter Haftung. Her experience in these companies has allowed her to refine her skills and contribute to innovative projects in the field of pigments.
Collaborations
Yumiko has collaborated with Tamio Noguchi, who has been a valuable coworker in her endeavors. Their partnership has fostered creativity and innovation in their projects.
Conclusion
Yumiko Waragai's contributions to pigment technology through her patents demonstrate her expertise and commitment to innovation. Her work continues to influence various industries, showcasing the importance of advancements in material science.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile