Yamagata, Japan

Yasufumi Tsubakihara

This inventor holds 1 USPTO granted patent. Top assignee: Tosoh Corporation. Active years: 2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasufumi Tsubakihara. Retrieved from https://idiyas.com/inventor/yasufumi-tsubakihara

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 30(Granted Patents)


Company Filing History:


Years Active: 2000

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1 patent (USPTO):Explore Patents

Title: Yasufumi Tsubakihara: Innovator in Sputtering Technology

Introduction

Yasufumi Tsubakihara is a notable inventor based in Yamagata, Japan. He has made significant contributions to the field of sputtering technology, particularly through his innovative patent. His work focuses on improving the quality and efficiency of sputtering targets, which are essential in various manufacturing processes.

Latest Patents

Tsubakihara holds a patent for a "Process for producing sputtering target." This patent describes a method where the surface to be sputtered of a sputtering target is blasted with a finely divided powder. The particle diameters of the blasting material range from 10 to 500 micrometers, effectively removing impurities from the surface. The process is particularly beneficial for sputtering surfaces with raised portions. The blasting treatment is conducted in two stages, utilizing different particle sizes to achieve a uniform and isotropic surface with reduced roughness.

Career Highlights

Yasufumi Tsubakihara is associated with Tosoh Corporation, a leading company in the chemical and materials industry. His work at Tosoh has allowed him to focus on advancements in sputtering technology, contributing to the company's reputation for innovation and quality.

Collaborations

Tsubakihara has collaborated with notable colleagues, including Ryoji Yoshimura and Kentaro Utsumi. These collaborations have fostered a productive environment for innovation and have led to advancements in their respective fields.

Conclusion

Yasufumi Tsubakihara's contributions to sputtering technology through his patent demonstrate his commitment to innovation. His work continues to influence the industry, showcasing the importance of research and development in advancing manufacturing processes.

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]
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