This inventor holds 2 USPTO granted patents. Top assignees: Sumitomo Chemical Company, Limited, Nippon Sheet Glass Company, Limited. Active years: 1978-1982.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
2 out of 6,961 
1 out of 1,173 
Years Active: 1978-1982
Title: Ryozo Kuriyama: Innovator in Nonfogging and Dyeing Technologies
Introduction
Ryozo Kuriyama is a notable inventor based in Ibaraki, Japan. He has made significant contributions to the field of materials science, particularly in the development of nonfogging articles and advanced dyeing methods. With a total of 2 patents to his name, Kuriyama's work has had a lasting impact on various industries.
Latest Patents
Kuriyama's latest patents include a method for the manufacture of a colored nonfogging article. This innovative method involves bringing a nonfogging substrate containing a surfactant into contact with a dyeing solution that also contains a surfactant, a solvent, and a coloring material. The surfactant in the dyeing solution is used in an amount ranging from 20 to 100% by weight based on the total amount of the surfactant and the solvent. Another significant patent is related to disperse dyeing with polyglycerine anionic emulsifiers and/or polyaryl. This method allows for the continuous dyeing or printing of synthetic fiber materials by using a dye bath that includes a water-insoluble dye and polyoxyethylene derivatives, along with glycerin derivatives. The resulting fiber material undergoes a dry or wet heat treatment, ensuring deep color and preventing dye migration.
Career Highlights
Throughout his career, Ryozo Kuriyama has worked with prominent companies such as Sumitomo Chemical Company, Limited and Nippon Sheet Glass Company, Limited. His experience in these organizations has contributed to his expertise in materials and chemical processes.
Collaborations
Kuriyama has collaborated with notable individuals in his field, including Motoaki Yoshida and Taizo Oshima. These partnerships have likely enriched his research and development efforts.
Conclusion
Ryozo Kuriyama's innovative work in nonfogging and dyeing technologies showcases his significant contributions to materials science. His patents reflect a commitment to advancing industry standards and improving product performance.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile