Chichibu, Japan

Makio Yamashita

This inventor holds 5 USPTO granted patents and 1 published patent application. Top assignee: Mitsubishi Materials Corporation. Active years: 2011-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Makio Yamashita. Retrieved from https://idiyas.com/inventor/makio-yamashita

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 = 3.3

ph-index = 1


Company Filing History:


Years Active: 2011-2022

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5 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Makio Yamashita

Introduction

Makio Yamashita is a prominent inventor based in Chichibu-gun, Japan. He has made significant contributions to the field of materials science, particularly in the area of coal ash and cement production. With a total of five patents to his name, Yamashita's work has had a notable impact on industrial processes.

Latest Patents

Yamashita's latest patents include a method for reforming coal ash and a method for producing fly ash for concrete admixture. The reforming method involves classifying coal ash that contains 10% by mass or more of a residue on a 45 µm sieve using a forced vortex centrifugal type classifying apparatus. This process ensures that the residue on the 45 µm sieve of the coal ash is reduced to a range of 1% by mass or more and 8% by mass or less. Additionally, his cement clinker production system incorporates various components, including a sulfur source and a fluorine source of mineralizer, a crusher for mixed raw materials, and a kiln for burning the crushed materials. This innovative system also features a test sample-analyzing system to measure the components of the clinker.

Career Highlights

Yamashita is currently employed at Mitsubishi Materials Corporation, where he continues to develop and refine his inventions. His work has been instrumental in advancing the efficiency and sustainability of cement production processes.

Collaborations

Yamashita collaborates with notable colleagues such as Hisanobu Tanaka and Yoichiro Nakanishi. Their combined expertise contributes to the innovative projects at Mitsubishi Materials Corporation.

Conclusion

Makio Yamashita's contributions to the field of materials science, particularly through his patents, demonstrate his commitment to innovation and sustainability in industrial processes. His work continues to influence the industry positively.

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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