This inventor holds 1 USPTO granted patent. Top assignees: Kyodo Yushi Co., Ltd., Nissan Motor Company Limited. Active years: 1995.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
1 out of 89 
1 out of 13,420 
Years Active: 1995
Title: Masatoshi Hirofuji: Innovator of Graphite-Free Lubricating Oil
Introduction
Masatoshi Hirofuji is a notable inventor based in Kanagawa, Japan, recognized for his significant contribution to the lubrication industry with a groundbreaking invention. His innovative approach has led to the development of a graphite-free lubricating oil, which promises to enhance working environments while maintaining superior performance.
Latest Patents
Hirofuji holds a patent for a unique graphite-free lubricating oil. This invention consists of a base oil containing dispersed carbohydrate and/or derivative particles, ranging from 10 to 40% by weight, with a specific particle size of 10 to 150 micrometers. The formulation also includes a film-boosting agent (2 to 20% by weight) and a dispersant (0.1 to 20% by weight). The absence of black-colored substances like graphite positions this lubricating oil as an environmentally friendly alternative, suitable for processes such as warm forging, hot forging, rolling, tube-manufacturing, drawing, and extrusion. This innovative oil not only improves working conditions but also exhibits exceptional lubricity, rivaling traditional graphite-in-oil lubricants.
Career Highlights
Masatoshi Hirofuji has made a mark in his career by working with prestigious companies. He held positions at Kyodo Yushi Co., Ltd. and Nissan Motor Company Limited, where his innovative mindset contributed to advancements in product development and technology.
Collaborations
Throughout his career, Hirofuji collaborated with skilled professionals such as Kenji Sakai and Koichi Goto. These partnerships facilitated the exchange of ideas and expertise, empowering Hirofuji to refine his inventions and bring innovative solutions to market.
Conclusion
Masatoshi Hirofuji's contributions to the lubrication industry through his innovative graphite-free lubricating oil underscore his role as a forward-thinking inventor. His dedication to creating environmentally friendly solutions not only enhances product performance but also significantly improves workplace safety and efficiency. As industries continue to evolve, Hirofuji's inventions will undoubtedly leave a lasting impact.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile