Hitachi, Japan

Yasuyuki Iguchi

This inventor holds 3 USPTO granted patents. Top assignees: Hitachi Chemical Company, Ltd., Goi Chemical Company, Ltd., Maruzen Oil Co. Ltd.. Active years: 1979-1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasuyuki Iguchi. Retrieved from https://idiyas.com/inventor/yasuyuki-iguchi

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 = 5.6

ph-index = 3

Forward Citations = 165(Granted Patents)


Location History:

  • Ichihara, JP (1979)
  • Hitachi, JP (1991)

Company Filing History:


Years Active: 1979-1991

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3 patents (USPTO):Explore Patents

Title: Yasuyuki Iguchi: Innovator in Electrophotography Toner Production

Introduction

Yasuyuki Iguchi is a notable inventor based in Hitachi, Japan. He has made significant contributions to the field of electrophotography, particularly in the production of toner. With a total of 3 patents, his work has had a considerable impact on the industry.

Latest Patents

Iguchi's latest patents focus on a process for producing toner for electrophotography. This innovative toner is produced by polymerizing a monomer that is dispersed through emulsification in the presence of a colorant and/or a magnetic powder. The resulting product exhibits excellent properties, particularly in cleaning capabilities, charge stability, and caking resistance.

Career Highlights

Throughout his career, Yasuyuki Iguchi has worked with prominent companies such as Hitachi Chemical Company, Ltd. and Goi Chemical Company, Ltd. His experience in these organizations has allowed him to refine his expertise in toner production and electrophotography technologies.

Collaborations

Iguchi has collaborated with notable coworkers, including Hideki Kohno and Ryoji Tan. Their combined efforts have contributed to advancements in the field and have fostered a collaborative environment for innovation.

Conclusion

Yasuyuki Iguchi's contributions to the development of electrophotography toner highlight his role as an influential inventor. His innovative processes and collaborations have paved the way for advancements in the industry.

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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