This inventor holds 2 USPTO granted patents. Top assignees: Cosmo Oil Co., Ltd., Cosmo Research Institute. Active years: 1994-1999.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:

Years Active: 1994-1999
Title: The Innovations of Shinji Yamaoka
Introduction
Shinji Yamaoka is a notable inventor based in Saitama, Japan. He has made significant contributions to the field of petroleum additives, holding two patents that showcase his innovative approach to improving storage stability and heat stability in petroleum products.
Latest Patents
Yamaoka's latest patents include a petroleum additive that boasts excellent storage stability and heat stability. This additive comprises an alkaline earth metal salt of aromatic hydroxycarboxylic acid, which contains a higher aliphatic carboxylic acid, a higher aliphatic amine, or a higher aliphatic amide, or a sulfurized mixture thereof. Additionally, he has developed a process for producing an over-based alkaline earth metal phenate. This process involves reactions among phenols, dihydric alcohols, and an alkaline earth metal reagent, followed by a carbon dioxide treatment that enhances the basicity and viscosity of the resulting product.
Career Highlights
Throughout his career, Yamaoka has worked with prominent organizations such as Cosmo Research Institute and Cosmo Oil Co., Ltd. His work has been instrumental in advancing the quality of lubricating and fuel oils through innovative chemical processes.
Collaborations
Yamaoka has collaborated with notable colleagues, including Sanae Ueda and Jun Imai. Their combined expertise has contributed to the successful development of his patented technologies.
Conclusion
Shinji Yamaoka's contributions to the field of petroleum additives highlight his innovative spirit and dedication to improving industrial processes. His patents reflect a commitment to enhancing product quality and stability in the petroleum industry.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile