Otake, Japan

Hiroomi Kakihara

This inventor holds 2 USPTO granted patents. Top assignees: Canon Kabushiki Kaisha, Toda Kogyo Corporation. Active years: 1997-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroomi Kakihara. Retrieved from https://idiyas.com/inventor/hiroomi-kakihara

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 = 4.0

ph-index = 2

Forward Citations = 21(Granted Patents)


Location History:

  • Ohtake, JP (1997)
  • Otake, JP (2003)

Company Filing History:


Years Active: 1997-2003

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2 patents (USPTO):Explore Patents

Title: Hiroomi Kakihara: Innovator in Magnetic Carrier Technology

Introduction

Hiroomi Kakihara is a notable inventor based in Otake, Japan. He has made significant contributions to the field of electrophotography through his innovative patents. With a total of 2 patents, Kakihara's work focuses on enhancing the performance and durability of magnetic carriers.

Latest Patents

Kakihara's latest patents include a magnetic carrier designed to exhibit excellent durability against mechanical impact caused by vibration. This magnetic carrier is capable of maintaining stable charging performance in electrophotography. The process for creating this magnetic carrier involves surface treating inorganic compound particles with a variety of lipophilizing agents, forming composite particles, and then surface-coating these particles with a coupling agent or coating resin. Another significant patent describes a magnetic carrier for electrophotography that consists of ferromagnetic iron compound particles and non-magnetic metal oxide particles, combined with a phenol-based resin as a binder. This carrier has a specific particle diameter range and composition that enhances its effectiveness.

Career Highlights

Throughout his career, Hiroomi Kakihara has worked with prominent companies such as Canon and Toda Kogyo Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in magnetic carrier technology.

Collaborations

Kakihara has collaborated with notable coworkers, including Toshiyuki Hakata and Masaaki Fukugauchi. Their combined expertise has contributed to the advancement of technology in their field.

Conclusion

Hiroomi Kakihara's contributions to the field of electrophotography through his patents demonstrate his commitment to innovation and excellence. His work continues to influence the development of magnetic carriers, showcasing the importance of research and collaboration in technological advancements.

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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