Chiba, Japan

Hirozumi Izawa

This inventor holds 3 USPTO granted patents. Top assignee: Showa Denko K.k.. Active years: 1991-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirozumi Izawa. Retrieved from https://idiyas.com/inventor/hirozumi-izawa

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


% Patents Active = 100.0

Average Co-Inventor Count = 3.3

ph-index = 3

Forward Citations = 39(Granted Patents)


Location History:

  • Shiojiri, JP (1991)
  • Chiba, JP (1998)

Company Filing History:


Years Active: 1991-1998

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3 patents (USPTO):Explore Patents

Title: Hirozumi Izawa: Innovator in Mixed Metal Oxide Synthesis

Introduction

Hirozumi Izawa is a notable inventor based in Chiba, Japan. He has made significant contributions to the field of materials science, particularly in the synthesis of complex oxide ceramic powders. With a total of 3 patents to his name, Izawa's work has garnered attention for its innovative approaches and practical applications.

Latest Patents

One of Izawa's latest patents is a method for the synthesis of mixed metal oxide powders. This technique combines the advantages of both coprecipitation and sol-gel routes while eliminating their disadvantages. The disclosed method allows for the achievement of chemical homogeneity and crystallite size on the nanometer length scale at a nonprohibitive cost. The process involves several steps, including combining a liquid absorbent resin with solutions containing organo-metallic compounds and metallic salt compounds, allowing the resin to swell and gel, preparing a precursor material by adjusting pH and temperature, pyrolyzing the precursor, and finally calcining it to form the mixed metal oxide powder.

Career Highlights

Hirozumi Izawa is currently associated with Showa Denko K.K., a prominent company in the materials industry. His work at Showa Denko has allowed him to further develop his innovative techniques and contribute to advancements in material synthesis.

Collaborations

Izawa has collaborated with notable colleagues, including Kunio Imamura and John F. DiGregorio. These collaborations have enriched his research and expanded the impact of his inventions in the field.

Conclusion

Hirozumi Izawa's contributions to the synthesis of mixed metal oxide powders highlight his innovative spirit and dedication to advancing materials science. His patents reflect a commitment to developing efficient and cost-effective methods that benefit 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]
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