Kashima, Japan

Masahito Hanao

This inventor holds 11 USPTO granted patents and 1 published patent application, plus 4 CIPO patents and 7 EPO patents. Top assignees: Sumitomo Metal Industries, Inc., Nippon Steel Sumitomo Metal Corporation, Nippon Steel Corporation. Active years: 2000-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masahito Hanao. Retrieved from https://idiyas.com/inventor/masahito-hanao

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

USPTO Granted Patents = 11 

% Patents Active = 81.8

 

 

Average Co-Inventor Count = 3.2

ph-index = 1

Forward Citations = 69(Granted Patents)


Location History:

  • Ibaraki, JP (2011)
  • Kashima, JP (2000 - 2019)
  • Tokyo, JP (2022)

Company Filing History:


Years Active: 2000-2022

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

Title: Masahito Hanao: Innovator in Continuous Casting Technology

Introduction

Masahito Hanao is a prominent inventor based in Kashima, Japan. He has made significant contributions to the field of continuous casting technology, holding a total of 11 patents. His work focuses on improving the quality and efficiency of steel production processes.

Latest Patents

Among his latest innovations are two notable patents. The first is a mold flux for continuous casting, which features a base material composition containing 25 to 60 mass % of CaO, 15 to 45 mass % of SiO, 5 to 25 mass % of F, 0.2 to 1.0 mass % of S, and a total of 0 to 20 mass % of LiO, NaO, and KO. This composition is designed to enhance the performance of the continuous casting process. The second patent is a method for continuously casting steel, aimed at avoiding surface defects caused by an electromagnetic brake while simultaneously checking for internal defects. This method improves the cleanliness of cast steel compared to prior techniques.

Career Highlights

Masahito Hanao has worked with several notable companies throughout his career, including Sumitomo Metal Industries, Inc. and Nippon Steel & Sumitomo Metal Corporation. His experience in these organizations has contributed to his expertise in the field of metallurgy and casting technologies.

Collaborations

Hanao has collaborated with several professionals in his field, including Masayuki Kawamoto and Yuichi Tsukaguchi. These collaborations have likely enriched his research and development efforts, leading to innovative solutions in continuous casting.

Conclusion

Masahito Hanao's contributions to continuous casting technology demonstrate his commitment to advancing the steel production industry. His patents reflect a deep understanding of the challenges in this field and offer practical solutions to enhance production quality.

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…