Tokyo, Japan

Haruo Hamaguchi

This inventor holds 2 USPTO granted patents and 1 EPO patent. Top assignee: Ricoh Company, Ltd.. Active years: 2006-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Haruo Hamaguchi. Retrieved from https://idiyas.com/inventor/haruo-hamaguchi

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

Calculating rank


Average Co-Inventor Count = 5.0

ph-index = 2

Forward Citations = 6(Granted Patents)


Company Filing History:


Years Active: 2006-2012

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2 patents (USPTO):Explore Patents

Title: Haruo Hamaguchi: Inventor of Electronic Manual Systems

Introduction

Haruo Hamaguchi is an inventor based in Tokyo, Japan, associated with Ricoh Company, Ltd. His work includes inventions for delivering electronic manuals to users of copiers. He is credited with 2 patents.

Latest Patents

Hamaguchi’s listed patent, “System, Method, Apparatus, and Program for Providing Electronic Manual,” describes a system that responds to a customer’s request for a manual page sent over the Internet. The center checks stored customer information to determine whether the requester is a registered copier user. If so, it selects electronic manual files for the copier the customer is using, creates a page that makes the relevant manual content prominent, and sends that page to the customer’s terminal.

Career Highlights

Hamaguchi’s patent work focuses on making product documentation easier to access. The described system connects customer registration and copier information with the selection and presentation of relevant electronic manual content.

Collaborations

Hamaguchi is associated with Ricoh Company, Ltd. His listed coworkers include Tatsuto Torikai and Kiyohisa Minowa.

Conclusion

Haruo Hamaguchi’s documented invention addresses the practical challenge of helping copier users find relevant electronic manual information through an Internet-connected system.

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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