Mishima, Japan

Shirou Sakata

This inventor holds 3 USPTO granted patents. Top assignee: Canon Kabushiki Kaisha. Active years: 1996-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shirou Sakata. Retrieved from https://idiyas.com/inventor/shirou-sakata

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 = 3.6

ph-index = 3

Forward Citations = 49(Granted Patents)


Location History:

  • Tokyo, JP (1996)
  • Mishima, JP (2001 - 2002)

Company Filing History:


Years Active: 1996-2002

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3 patents (USPTO):Explore Patents

Title: Shirou Sakata: Innovator in Electrophotographic Technology

Introduction

Shirou Sakata is a notable inventor based in Mishima, Japan. He has made significant contributions to the field of electrophotographic technology, holding a total of 3 patents. His work has been instrumental in advancing the efficiency and functionality of image forming apparatuses.

Latest Patents

Sakata's latest patents include innovative designs for an electrophotographic image forming apparatus, a process cartridge developing device, and a developer supply container with a measuring part. The electrophotographic image forming apparatus features a first electrostatic-capacity generating portion that contacts the developer, generating an electrostatic capacity corresponding to the amount of developer present. Additionally, a second electrostatic-capacity generating portion is strategically positioned to generate a reference electrostatic capacity without contacting the developer. This design allows for accurate detection of the developer amount based on the electrostatic capacities generated.

Another patent involves a process cartridge that is detachably mountable to an electrophotographic image forming apparatus. This cartridge includes an electrophotographic photosensitive member, process means, and a measuring electrode member that interacts with the developer. The design also incorporates a reference electrode member, ensuring precise measurements and functionality.

Career Highlights

Shirou Sakata is currently employed at Canon Kabushiki Kaisha, a leading company in imaging and printing technology. His work at Canon has allowed him to focus on developing advanced electrophotographic systems that enhance image quality and operational efficiency.

Collaborations

Sakata has collaborated with notable coworkers, including Toshiyuki Karakama and Hideki Matsumoto. Their combined expertise has contributed to the successful development of innovative technologies in the field.

Conclusion

Shirou Sakata's contributions to electrophotographic technology through his patents and work at Canon Kabushiki Kaisha highlight his role as a key innovator in the industry. His advancements continue to influence the efficiency and effectiveness of imaging solutions.

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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