Ibaraki, Japan

Kazumasa Ohashi

This inventor holds 6 USPTO granted patents and 4 published patent applications. Top assignee: Jx Nippon Mining Metals Corporation. Active years: 2016-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazumasa Ohashi. Retrieved from https://idiyas.com/inventor/kazumasa-ohashi

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

USPTO Granted Patents = 6 

% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 2

Forward Citations = 6(Granted Patents)


Company Filing History:


Years Active: 2016-2019

Loading Chart...
6 patents (USPTO):Explore Patents

Title: Kazumasa Ohashi: Innovator in Sputtering Technology

Introduction

Kazumasa Ohashi is a prominent inventor based in Ibaraki, Japan. He has made significant contributions to the field of sputtering technology, holding a total of six patents. His work focuses on the development of advanced materials for semiconductor applications.

Latest Patents

Ohashi's latest patents include a sputtering target comprising Ni—P alloy or Ni—Pt—P alloy and a production method for the same. This method involves melting and atomizing a Ni—P alloy with a phosphorus content of 15 to 21 wt %, resulting in a fine atomized powder. The process aims to achieve a small deviation from the intended composition, enhancing the quality of the sputtering target. Another notable patent is for a tungsten sputtering target that contains 0.01 to 0.5 wt % of silver, designed to produce films with low specific resistance and excellent uniformity, particularly for semiconductor devices.

Career Highlights

Kazumasa Ohashi is currently employed at JX Nippon Mining & Metals Corporation, where he continues to innovate in the field of materials science. His expertise in sputtering technology has positioned him as a key figure in the development of high-performance materials.

Collaborations

Ohashi has collaborated with notable colleagues, including Takeo Okabe and Kunihiro Oda, contributing to various projects that enhance the capabilities of sputtering technology.

Conclusion

Kazumasa Ohashi's contributions to sputtering technology and his innovative patents underscore his importance in the field. His work continues to influence advancements in semiconductor manufacturing and materials science.

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…