Sunao Matsubara

Title: Sunao Matsubara: Innovator in Polishing Technology

Introduction

Sunao Matsubara is a notable inventor based in Tokorazawa, Japan. He has made significant contributions to the field of polishing technology, holding a total of 6 patents. His work focuses on methods and apparatuses that enhance the efficiency and effectiveness of polishing processes.

Latest Patents

One of Matsubara's latest patents is a polishing method and apparatus that utilizes a grindstone made of abrasive grains bonded by a resin. This innovative approach allows for the creation of a grindstone with a desired modulus of elasticity. The method is particularly effective in rendering the surfaces of substrates with concave and convex portions uniformly flat, regardless of the size of these features. By employing a two-step polishing process—first with a tool of small elastic modulus and then with one of large elastic modulus—Matsubara's invention minimizes surface damage and improves the quality of the polished surface.

Career Highlights

Throughout his career, Matsubara has worked with prominent organizations, including Hitachi, Ltd. He also served as the Director-General of the Agency of Industrial Science and Technology, where he contributed to advancements in industrial technology and innovation.

Collaborations

Matsubara has collaborated with notable colleagues such as Hideaki Shimamura and Yuji Yoneoka, further enhancing his contributions to the field of polishing technology.

Conclusion

Sunao Matsubara's innovative work in polishing methods and apparatuses has significantly impacted the industry. His patents reflect a deep understanding of material properties and their applications in achieving superior polishing results.