Minamiashigara, Japan

Teruo Sakai, Legal Representative

This inventor holds 2 USPTO granted patents. Top assignee: Fuji Xerox Co., Ltd.. Active years: 2007-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Teruo Sakai, Legal Representative. Retrieved from https://idiyas.com/inventor/teruo-sakai-legal-representative

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 = 5.8

ph-index = 1

Forward Citations = 1(Granted Patents)


Location History:

  • Kanagawa, JP (2007)
  • Minamiashigara, JP (2008)

Company Filing History:


Years Active: 2007-2008

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2 patents (USPTO):Explore Patents

Title: The Innovations of Teruo Sakai: Contributions to Electrophotographic Technology

Introduction

Teruo Sakai, a prominent inventor and legal representative based in Minami-ashigara, Japan, has made significant contributions to the field of electrophotography. With a total of two patents under his name, his work primarily focuses on the development of toners and developers for electrostatic latent images.

Latest Patents

Sakai's latest patents reflect his expertise in developing advanced toner technologies. His first patent details a toner composition for developing electrostatic latent images, which includes toner mother particles composed of binder resin and colorant, along with manganese compound particles exhibiting a γ-type crystalline structure. The development method outlined in this patent enhances the efficiency of toner production.

His second patent introduces an electrophotographic toner that integrates specific content ratios of copper and carbon to optimize toner performance. The formula log{[Cu]/[C]} satisfies defined parameters, ensuring high-quality image formation. This patent further elaborates on a process for creating the toner and the methods to utilize it in image formation.

Career Highlights

Teruo Sakai's career is marked by his role at Fuji Xerox Co., Ltd., where he has honed his skills and contributed to significant advancements in electrostatic imaging technology. His innovative work has played a crucial role in improving the efficiency and quality of toner products in the industry.

Collaborations

Sakai collaborates closely with notable colleagues in his field, including Yuka Ishihara and Atsuhiko Eguchi. Together, they have driven efforts to innovate within the industry, paving the way for advancements that benefit a wide range of applications in printing technologies.

Conclusion

Teruo Sakai's contributions to the field of electrophotography through his patents exemplify the spirit of innovation and collaboration in technology development. His work at Fuji Xerox Co., Ltd. continues to influence the industry, making significant strides in the production and efficiency of toners for electrostatic latent images.

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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