This inventor holds 10 USPTO granted patents. Top assignees: Dainippon Ink and Chemicals, Incorporated, Kawamura Institute of Chemical Research, Fuji Photo Film Company, Limited. Active years: 1984-2011.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Urawa, JP (1984 - 1985)
- Sakai, JP (1988 - 1994)
- Osaka, JP (1994 - 2011)
Company Filing History:
9 out of 630 
2 out of 42 
1 out of 16,458 
Years Active: 1984-2011
Title: Masayuki Kamei: Innovator in Polymer Chemistry
Introduction
Masayuki Kamei is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of polymer chemistry, particularly in the development of absorbent resin particles and optical fiber coatings. With a total of 10 patents to his name, Kamei's work has had a substantial impact on various industries.
Latest Patents
Kamei's latest patents include a method for producing core-shell type highly liquid absorbent resin particles. This innovative production method involves a two-step process. The first step entails forming a particle core portion through suspension polymerization of an aqueous solution containing (meth)acrylic acid, a crosslinking agent, and an anionic surfactant in a hydrophobic organic solvent. The second step involves creating a shell portion that covers the particle core by polymerizing a water-soluble vinyl polymer in the suspension obtained from the first step. Another notable patent is for an optical fiber coating composition and method of preparing a cured coating composition. This composition includes fluorine-containing curing monomers and is designed to enhance the transparency, mechanical strength, environmental resistance, and optical characteristics of optical fibers.
Career Highlights
Throughout his career, Kamei has worked with several notable companies, including Dainippon Ink and Chemicals, Incorporated and Kawamura Institute of Chemical Research. His experience in these organizations has allowed him to refine his expertise in polymer chemistry and contribute to various innovative projects.
Collaborations
Kamei has collaborated with esteemed colleagues such as Yutaka Hashimoto and Toshihiko Umaba. These partnerships have fostered a collaborative environment that has led to significant advancements in their respective fields.
Conclusion
Masayuki Kamei's contributions to polymer chemistry through his innovative patents and collaborations highlight his role as a leading inventor in the industry. His work continues to influence advancements in absorbent materials and optical technologies.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile