Tokyo, Japan

Hajime Takayama

This inventor holds 4 USPTO granted patents and 2 published patent applications. Top assignee: Ricoh Company, Ltd.. Active years: 1994-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hajime Takayama. Retrieved from https://idiyas.com/inventor/hajime-takayama-ihd7s3t5

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

Calculating rank
USPTO Granted Patents = 4 

% Patents Active = 50.0

Average Co-Inventor Count = 2.1

ph-index = 3

Forward Citations = 124(Granted Patents)


Company Filing History:


Years Active: 1994-2026

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4 patents (USPTO):Explore Patents

Title: Hajime Takayama: Innovator in Communication Technologies

Introduction

Hajime Takayama is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of communication technologies. With a total of 4 patents to his name, Takayama continues to push the boundaries of innovation.

Latest Patents

His latest patents include a communication apparatus, communication method, and communication program. These inventions focus on facilitating communication through the use of an IP address. The process involves extracting prefix information from a router advertisement, registering and managing this information, and generating an IP address from a predetermined number of selected prefixes. Additionally, he has developed a rewritable bar code display medium and an image display method. This medium consists of a support and a reversible thermosensitive recording layer that allows for the reversible formation of bar codes. The recording layer changes transparency with temperature variations, enhancing the functionality of the bar code display.

Career Highlights

Hajime Takayama is currently employed at Ricoh Company, Ltd., where he applies his expertise in communication technologies. His work has been instrumental in advancing the company's innovative projects.

Collaborations

Some of his notable coworkers include Yoshihiko Hotta and Keishi Kubo, who contribute to the collaborative environment at Ricoh.

Conclusion

Hajime Takayama is a key figure in the realm of communication technology, with a focus on innovative solutions that enhance connectivity. His contributions through patents and collaboration with colleagues continue to shape the future of communication.

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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