Saga, Japan

Tatsuhiko Shigematsu

This inventor holds 2 USPTO granted patents. Top assignee: Sumitomo Metal Industries, Inc.. Active years: 1989-1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tatsuhiko Shigematsu. Retrieved from https://idiyas.com/inventor/tatsuhiko-shigematsu

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 4.4

ph-index = 2

Forward Citations = 11(Granted Patents)


Location History:

  • Amagasaki, JP (1989)
  • Saga, JP (1991)

Company Filing History:


Years Active: 1989-1991

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2 patents (USPTO):Explore Patents

Title: Innovations by Tatsuhiko Shigematsu

Introduction

Tatsuhiko Shigematsu is a notable inventor based in Saga, Japan. He has made significant contributions to the field of materials processing, particularly in the area of iron ore production and waste management. With a total of 2 patents, his work reflects a commitment to innovation and environmental sustainability.

Latest Patents

One of his latest patents is a method of removing silicon from waste hydrochloric acid pickling. This method involves stirring the waste solution to form a sludge that can be separated by conventional means such as filtration, centrifugation, or sedimentation. The process can be expedited by adding recovered sludge or carbonaceous materials with hydrophilic groups. This innovative approach can reduce silicon content to 0.01% or less, enhancing the efficiency of waste management.

Another significant patent is a process for producing cold-bonded iron ore for use in a blast furnace. This process involves molding iron ore particles into blocks using various methods and curing them to achieve a predetermined shape. The addition of materials like CaO, Al₂O₃, or MgO helps adjust the basicity of the final product, ensuring optimal performance in blast furnaces.

Career Highlights

Tatsuhiko Shigematsu is associated with Sumitomo Metal Industries, Inc., where he applies his expertise in materials science. His work at this esteemed company has allowed him to contribute to advancements in iron ore processing and environmental solutions.

Collaborations

He has collaborated with notable coworkers such as Chitose Shiotani and Yohzi Tozawa, further enhancing the innovative efforts within his field.

Conclusion

Tatsuhiko Shigematsu's contributions to innovation in materials processing and waste management demonstrate his dedication to advancing technology while promoting sustainability. His patents reflect a forward-thinking approach that addresses both industrial needs and environmental concerns.

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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