Hiroshima, Japan

Hiroko Morii

This inventor holds 75 USPTO granted patents and 2 published patent applications and 3 EPO patents, primarily in Magnetic Materials (CPC class 4284). Top assignees: Toda Kogyo Corporation, Sumitomo Electric Industries, Limited, Toda Kogyo Cororation. Active years: 1996-2016.

USPTO Granted Patents = 75 

% Patents Active = 68.0


Average Co-Inventor Count = 3.9

ph-index = 9

Forward Citations = 276(Granted Patents)

Forward Citations (Not Self Cited) = 237(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Hiroshima-ken, JP (1998 - 2010)
  • Otake, JP (2010 - 2013)
  • Hiroshima, JP (1996 - 2016)

Company Filing History:


Years Active: 1996-2016

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Areas of Expertise:
Soft Magnetic Materials
Magnetic Recording Media
Composite Particles
Color Agents
Color Filters
Ink-Jet Printing
Black Toner
Functional Materials
Hematite Particles
Non-Magnetic Particles
Powder Magnetic Core
Magnetic Composite Particles
75 patents (USPTO):Explore Patents

Title: Hiroko Morii: A Pioneer in Composite Materials and Magnetic Technologies

Hiroko Morii, based in Hiroshima, Japan, stands out as an innovative inventor with a remarkable portfolio comprising 75 patents. His work primarily revolves around advancements in composite materials and soft magnetic technologies, showcasing his commitment to pushing the boundaries of engineering and materials science.

Latest Patents

Among his latest inventions, Hiroko Morii has developed novel composite particles that integrate white inorganic particles with an innovative surface modifier coating layer. These particles are designed to enhance color-developing properties and tinting strength while significantly reducing bleeding effects. Additionally, he has introduced manufacturing methods for soft magnetic materials, which involve creating an insulating film around iron-based magnetic particles through precise chemical mixing techniques. These innovations not only enhance the efficiency of magnetic materials but also expand their applications in various industries.

Career Highlights

Hiroko Morii's illustrious career includes significant contributions to renowned companies such as Toda Kogyo Corporation and Sumitomo Electric Industries, Limited. His roles in these organizations have allowed him to develop cutting-edge technologies and collaborate with some of the brightest minds in the field of materials science.

Collaborations

Throughout his career, Hiroko has worked closely with accomplished colleagues, including Kazuyuki Hayashi and Keisuke Iwasaki. These collaborations have proven vital in advancing innovative solutions and fostering a collaborative environment that stimulates creative thinking and technical expertise.

Conclusion

Hiroko Morii's impressive array of patents and his dedication to innovation exemplify his significant role in the advancement of composite materials and soft magnetic technologies. As he continues to develop new methodologies and materials, his contributions are likely to have a lasting impact on the industry. His work demonstrates the crucial intersection of creativity and technical knowledge, inspiring future inventors and researchers in the field.

Profile summary based on public USPTO records.
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