Yasugi, Japan

Kunichika Kubota

This inventor holds 5 USPTO granted patents and 3 published patent applications and 2 EPO patents. Top assignee: Hitachi Metals, Ltd.. Active years: 1996-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kunichika Kubota. Retrieved from https://idiyas.com/inventor/kunichika-kubota

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

USPTO Granted Patents = 5 

% Patents Active = 80.0

 

Average Co-Inventor Count = 2.9

ph-index = 2

Forward Citations = 16(Granted Patents)


Company Filing History:


Years Active: 1996-2014

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

Title: Kunichika Kubota: Innovator in Material Science

Introduction

Kunichika Kubota is a prominent inventor based in Yasugi, Japan. He has made significant contributions to the field of material science, particularly in the development of advanced steel and piston ring materials. With a total of 5 patents to his name, Kubota's work has had a substantial impact on various industrial applications.

Latest Patents

Among his latest patents, one notable invention is a cold die steel that excels in suppressing dimensional change. This cold die steel features a specific chemical composition, including elements such as carbon, silicon, manganese, and chromium, which enhance its performance. Another significant patent involves a piston ring material designed for internal combustion engines. This material retains excellent mechanical properties and processability, ensuring durability and resistance to wear and scuffing.

Career Highlights

Kubota is associated with Hitachi Metals, Ltd., a company known for its innovative materials and technologies. His work at Hitachi Metals has allowed him to focus on developing high-performance materials that meet the demanding requirements of modern engineering.

Collaborations

Throughout his career, Kubota has collaborated with notable colleagues, including Toshihiro Uehara and Takehiro Ohno. These collaborations have fostered a creative environment that has led to the advancement of material science.

Conclusion

Kunichika Kubota's contributions to material science through his innovative patents and collaborations highlight his role as a key figure in the industry. His work continues to influence the development of advanced materials for various applications.

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…