Ibaraki, Japan

Noboru Ohsawa

This inventor holds 1 USPTO granted patent. Top assignees: Applied Science Research Institute, Nobuatsu Watanabe. Active years: 1983.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Noboru Ohsawa. Retrieved from https://idiyas.com/inventor/noboru-ohsawa

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 13(Granted Patents)


Company Filing History:


Years Active: 1983

Loading Chart...
1 patent (USPTO):Explore Patents

Title: Noboru Ohsawa: Innovator in Graphite Fluoride Film Technology

Introduction: Noboru Ohsawa is a notable inventor hailing from Ibaraki, Japan, renowned for his contribution to the field of materials science. With an innovative spirit, he has developed a unique method for producing a specialized film that showcases remarkable properties for various applications.

Latest Patents: Ohsawa holds a patent for the "Process for producing a graphite fluoride type film on the surface of an aluminum substrate." This process involves heating an aluminum substrate along with a carbonaceous material or polycarbon monofluoride, represented by the formula (CF).sub.n, in a fluorine gas atmosphere. The resulting film not only possesses a lustrous appearance but also exhibits high hydrophobicity, corrosion resistance to both acidic and alkaline aqueous solutions, and impressive mechanical strength.

Career Highlights: Throughout his career, Noboru Ohsawa has been involved with several influential companies that have contributed to his professional growth. Notably, he collaborated with Nobuatsu Watanabe and made significant contributions at the Applied Science Research Institute. His work demonstrates a blend of scientific inquiry and practical application, reflecting his dedication to innovation.

Collaborations: During his professional journey, Ohsawa has worked alongside distinguished coworkers, including Nobuatsu Watanabe and Tsuyoshi Nakajima. These collaborations have enhanced his research capabilities and paved the way for significant advancements in material sciences.

Conclusion: Noboru Ohsawa is a pivotal figure in the invention of graphite fluoride type films. His groundbreaking patent highlights his innovative mindset and addresses important needs in corrosion resistance and mechanical strength. As technology continues to evolve, Ohsawa’s contributions will undoubtedly influence future advancements in material engineering.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
Loading…