Kanagawa, Japan

Norifumi Yamamoto

This inventor holds 5 USPTO granted patents and 1 published patent application and 1 EPO patent. Top assignee: Ricoh Company, Ltd.. Active years: 2010-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Norifumi Yamamoto. Retrieved from https://idiyas.com/inventor/norifumi-yamamoto

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

USPTO Granted Patents = 5 

% Patents Active = 20.0


Average Co-Inventor Count = 2.1

ph-index = 4

Forward Citations = 40(Granted Patents)


Location History:

  • Yokohama, JP (2013 - 2014)
  • Kanagawa, JP (2010 - 2017)

Company Filing History:


Years Active: 2010-2017

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5 patents (USPTO):Explore Patents

Title: Norifumi Yamamoto: An Innovator in Battery Technology and Image Detection

Introduction: Norifumi Yamamoto, a distinguished inventor based in Kanagawa, Japan, has made significant contributions to the fields of battery technology and image detection. With a remarkable portfolio of 5 patents, he has been instrumental in advancing methods that enhance the functionality and efficiency of various electronic devices.

Latest Patents: Among his latest patents are notable inventions, including a battery state control circuit and a novel image position detector. The battery state control circuit is designed to connect multiple rechargeable batteries in series and efficiently manage energy storage through an adjustment unit that responds to the state of the batteries. This innovative solution optimizes the performance of battery packs in various applications. Additionally, his image position detector utilizes a combination of light emitting and receiving elements to detect the end position of images on carriers, significantly improving image accuracy and processing speed.

Career Highlights: Norifumi Yamamoto currently works with Ricoh Company, Ltd., a leading company in imaging and electronics. His role as an inventor within this prestigious organization allows him to innovate continuously and contribute to the development of cutting-edge technologies that influence the electronics market.

Collaborations: Throughout his career, Yamamoto has collaborated with esteemed colleagues, including Masahiko Sato and Toshio Yanata, who have contributed to the success of various projects and innovations at Ricoh Company, Ltd. Their teamwork has fostered an environment of creativity and technological advancement.

Conclusion: Norifumi Yamamoto exemplifies the spirit of innovation through his dedicated work in the fields of battery management and image technology. His contributions not only push the boundaries of electronic device functionality but also inspire future generations of inventors and engineers to continue exploring the realms of possibility in technology.

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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