This inventor holds 22 USPTO granted patents and 5 published patent applications, plus 9 CIPO patents and 18 EPO patents, primarily in Oil Country Tubular Goods. Top assignees: Jfe Steel Corporation, Toyo Drilube Co., Ltd., Toyo Drilube Co., Ltd.. Active years: 2012-2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Aichi, JP (2015)
- Chita, JP (2015 - 2019)
- Handa, JP (2017 - 2020)
- Tokyo, JP (2012 - 2024)
Company Filing History:

Years Active: 2012-2026
Areas of Expertise:
Title: Takamasa Kawai: Innovator in Solid Lubricating Coatings and Oil Country Tubular Goods
Introduction
Takamasa Kawai, based in Handa, Japan, is a notable inventor with a remarkable portfolio of 19 patents. His work primarily focuses on advancements in solid lubricating coatings and oil country tubular goods, showcasing innovative solutions to complex engineering challenges.
Latest Patents
Kawai's recent patents include technologies such as an agent for forming solid lubricating coating films and innovative threaded joints for oil country tubular goods. His solid lubricating coating film offers enhanced lubricity and corrosion resistance by utilizing a mix of solid lubricants dispersed within a PEEK binder resin. Specifically, his formulation consists of at least 50% graphite with a unique particle diameter to maximize efficiency. Furthermore, his threaded joint design aims to prevent fracture under tensile loads while maintaining the outer diameter, which is a significant improvement in the reliability of pipe connections.
Career Highlights
Kawai has contributed to the industry through his positions at prominent companies including JFE Steel Corporation and Toyo Drilube Co., Ltd. His dedication to innovation is reflected in his extensive research and development work, leading to several patents that have advanced the field of oil and gas equipment.
Collaborations
Throughout his career, Takamasa Kawai has collaborated with talented professionals such as Masaki Yoshikawa and Jun Takano. These partnerships have facilitated the development of groundbreaking solutions in lubricating technologies and engineering designs.
Conclusion
Takamasa Kawai’s inventive spirit and commitment to advancing technology in solid lubricants and oil country tubular goods have made him a key figure in his field. His innovations not only enhance product performance but also contribute to safer and more efficient operational practices in the industry.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile