Yokohama, Japan

Hisashi Sakamaki

This inventor holds 74 USPTO granted patents and 2 EPO patents, primarily in Image Formation Technology (CPC class 355 ). Top assignees: Canon Kabushiki Kaisha, Canon Denshi Kabushiki Kaisha. Active years: 1976-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hisashi Sakamaki. Retrieved from https://idiyas.com/inventor/hisashi-sakamaki

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 = 3.9

ph-index = 14

Forward Citations = 666(Granted Patents)

Forward Citations (Not Self Cited) = 621(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Yokohama, J (1976)
  • Yokohama, JA (1976 - 1978)
  • Yokohama, JP (1979 - 2016)

Company Filing History:


Years Active: 1976-2016

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Areas of Expertise:
Image Forming Apparatus
Electrophotographic Device
Control Method
Printing Apparatus
Copying Apparatus
Reproduction Apparatus
Task Scheduling
Image Processing
Temperature Compensation
Automatic Control
Magnification Control
Malfunction Display
74 patents (USPTO):Explore Patents

Title: Hisashi Sakamaki - A Pioneer in Network Management Innovations

Introduction

Hisashi Sakamaki, a prolific inventor based in Yokohama, Japan, has made significant contributions to the field of network management and server technology. With a remarkable portfolio of 72 patents, Sakamaki has exemplified the spirit of innovation throughout his career.

Latest Patents

Among his latest patented inventions is the "Apparatus for switching between multiple servers in a web-based system." This invention introduces a system where a main server and a mirror server hold identical content, allowing for efficient switching between servers based on security conditions. If the mirror server remains untouched for a specified period, it can be activated for client requests, thus enhancing reliability and ensuring seamless user experiences.

Another notable patent is the "Network management apparatus, management server, client terminal, and control method thereof." This invention is designed to monitor client configuration in a network. By comparing current configuration data with initial settings, this apparatus identifies any discrepancies and prevents improper configurations, thereby safeguarding the network from instability and potential information breaches.

Career Highlights

Sakamaki's career includes significant tenures at renowned companies like Canon Inc. and Canon Denshi Kabushiki Kaisha, where he honed his skills in technology and innovation. His work in these organizations has cemented his reputation as a leader in developing advanced network systems and server management technologies.

Collaborations

Throughout his illustrious career, Sakamaki has collaborated with talented individuals like Katsuichi Shimizu and Hiroyuki Hattori. Their combined expertise has led to the development of groundbreaking technologies that have influenced the landscape of network management.

Conclusion

Hisashi Sakamaki's relentless pursuit of innovation and his impressive portfolio of 72 patents serve as a testament to his impact on the field of network management. Through his inventions, he has not only advanced technology but also set a standard for future inventors in the industry. His contributions continue to pave the way for new advancements in the realm of web-based systems and network reliability.

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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