Omuta, Japan

Atsunori Koyama

This inventor holds 4 USPTO granted patents and 1 published patent application, plus 1 CIPO patent and 5 EPO patents. Top assignees: Nippon Steel Corporation, Nippon Steel Sumitomo Metal Corporation, Denki Kagaku Kogyo Kabushiki Kaisha. Active years: 2012-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Atsunori Koyama. Retrieved from https://idiyas.com/inventor/atsunori-koyama

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

USPTO Granted Patents = 4 

% Patents Active = 100.0


 

Average Co-Inventor Count = 2.4

ph-index = 2

Forward Citations = 11(Granted Patents)


Company Filing History:


Years Active: 2012-2019

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

Title: Atsunori Koyama: Innovator in Monolithic Refractories

Introduction

Atsunori Koyama is a notable inventor based in Omuta, Japan. He has made significant contributions to the field of monolithic refractories, holding a total of 4 patents. His work focuses on improving the properties and applications of refractory materials.

Latest Patents

Koyama's latest patents include innovations in monolithic refractories. One of his patents details a composition where, in terms of a proportion in 100 mass % of a refractory raw material with a grain size of 8 mm or smaller, an amount of CaSrAlO (where 0 ≤ X ≤ 0.5) is specified to be 0.5 mass % or more and 10 mass % or less. Additionally, he has developed a binder for monolithic refractories that includes a solid solution obtained by dissolving Ca components in α-SrAlO or β-SrAlO. The crystallite diameter of the solid solution varies based on the type of SrAlO used, ranging from 40 nm to 75 nm for α-SrAlO and from 35 nm to 70 nm for β-SrAlO.

Career Highlights

Throughout his career, Koyama has worked with prominent companies such as Nippon Steel Corporation and Nippon Steel & Sumitomo Metal Corporation. His experience in these organizations has allowed him to refine his expertise in refractory materials and contribute to advancements in the industry.

Collaborations

Koyama has collaborated with notable coworkers, including Yoshitoshi Saito and Tsuyoshi Matsui. Their combined efforts have led to innovative solutions in the field of monolithic refractories.

Conclusion

Atsunori Koyama's contributions to the field of monolithic refractories demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of material science and its applications in industry.

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…