Takarazuka, Japan

Yukimasa Kuramoto

This inventor holds 7 USPTO granted patents. Top assignee: Matsushita Electric Industrial Co., Ltd.. Active years: 1976-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yukimasa Kuramoto. Retrieved from https://idiyas.com/inventor/yukimasa-kuramoto

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


% Patents Active = 85.7

Average Co-Inventor Count = 3.8

ph-index = 4

Forward Citations = 72(Granted Patents)


Location History:

  • Takarazuka, JA (1976)
  • Hyogo, JP (1987)
  • Takarazuka, JP (1987 - 1992)
  • Hyougo, JP (2007)

Company Filing History:


Years Active: 1976-2007

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7 patents (USPTO):Explore Patents

Title: Innovations of Yukimasa Kuramoto

Introduction

Yukimasa Kuramoto is a notable inventor based in Takarazuka, Japan. He has made significant contributions to the field of electrophotography, holding a total of 7 patents. His work focuses on enhancing image forming technologies, particularly through the development of photoconductors and related methods.

Latest Patents

Kuramoto's latest patents include advancements in photoconductors and image forming apparatuses. One of his key inventions is a photoconductor that features a protective surface layer, which includes both a carrier generation layer and a carrier transport layer on a conductive base. This protective surface layer is designed with a first layer using hydrocarbon gas-based amorphous carbon with an ion implantation layer, and a second layer without it. Additionally, he has developed an electrophotographic image forming method that allows for the superimposition of black, yellow, magenta, and cyan toner images onto a photoconductor. This method adjusts exposure amounts between highlight and shadow areas, resulting in high saturation and balanced color reproduction.

Career Highlights

Kuramoto has been associated with Matsushita Electric Industrial Co., Ltd., where he has contributed to various innovative projects. His expertise in electrophotography has positioned him as a key figure in the development of advanced imaging technologies.

Collaborations

Throughout his career, Kuramoto has collaborated with notable colleagues such as Hajimu Oonishi and Yukio Sakai. These collaborations have further enriched his work and contributed to the advancements in the field.

Conclusion

Yukimasa Kuramoto's contributions to the field of electrophotography and photoconductor technology have made a significant impact. His innovative patents and collaborative efforts continue to influence advancements in imaging technologies.

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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