Osaka, Japan

Takaharu Izumo

This inventor holds 9 USPTO granted patents. Top assignees: Nippon Paint Compnay, Ltd., Taisei Corporation. Active years: 1984-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takaharu Izumo. Retrieved from https://idiyas.com/inventor/takaharu-izumo

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


% Patents Active = 88.9

Average Co-Inventor Count = 4.6

ph-index = 4

Forward Citations = 44(Granted Patents)


Location History:

  • Neyagawa, JP (1984)
  • Shimamoto, JP (1993 - 1994)
  • Shimamotocho, JP (1996)
  • Osaka, JP (1993 - 2004)

Company Filing History:


Years Active: 1984-2004

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9 patents (USPTO):Explore Patents

Title: The Innovations of Takaharu Izumo: A Profile of the Inventor from Osaka

Introduction: Takaharu Izumo, a distinguished inventor based in Osaka, Japan, has made significant contributions to the field of coating technologies. With a remarkable portfolio of nine patents, his innovative ideas have had a lasting impact on industrial applications. This article highlights his latest patents, career milestones, and collaborations with fellow professionals.

Latest Patents: Takaharu Izumo's latest inventions showcase his expertise in developing advanced materials and processes. One of his notable patents is the "Apparatus for Producing Coating Layer onto Primary Lining," designed to efficiently form a uniform coating layer on the interior surfaces of primary linings, such as underground pipes. This innovative apparatus employs a spray gun attached to a revolving ring on a running truck, allowing for controlled movement and the application of a homogeneous coating layer with a consistent thickness.

Another significant invention is the "Polyurethane Resin Composition," which provides a polyurea resin composition for RIM or coating applications. This composition includes components modified through a Michael reaction, ensuring enhanced properties for industrial use. The combination of polyamine components and internal mold release agents further exemplifies Izumo's innovative thinking in material science.

Career Highlights: Over his career, Takaharu Izumo has made substantial contributions to major companies, including Nippon Paint Company, Ltd. and Taisei Corporation. His work has been pivotal in developing coatings and resin materials that enhance performance and durability in various applications.

Collaborations: Throughout his professional journey, Izumo has collaborated with esteemed colleagues, including Satoshi Yamamoto and Hideo Ishibashi. These collaborations have undoubtedly enriched his perspective and contributed to his innovative output.

Conclusion: Takaharu Izumo stands out as a leading inventor in the field of coating technologies. His nine patents underscore his passion for innovation and his commitment to advancing material science. Through his career, collaborations, and significant inventions, Izumo continues to inspire future generations of inventors and engineers.

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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