Ibaraki, Japan

Ryota Yamagishi

This inventor holds 5 USPTO granted patents and 2 published patent applications. Top assignees: Riso Kagaku Corporation, Risko Kagaku Corporation. Active years: 2012-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryota Yamagishi. Retrieved from https://idiyas.com/inventor/ryota-yamagishi

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 = 80.0

Average Co-Inventor Count = 2.6

ph-index = 2

Forward Citations = 5(Granted Patents)


Company Filing History:


Years Active: 2012-2016

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5 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Ryota Yamagishi

Introduction

Ryota Yamagishi is a prominent inventor based in Ibaraki-ken, Japan. He has made significant contributions to the field of printing technology, holding a total of 5 patents. His work focuses on enhancing the efficiency and functionality of printing machines and inkjet printers.

Latest Patents

Yamagishi's latest patents include a printing machine and feeding method designed to improve the registration of print sheets. This configuration features paired register rollers that work in conjunction with a downstream head unit on a circulation route. The system allows for a controlled feed of print sheets, adjusting the feed speed based on the back tension of the print sheet. Another notable patent is for an inkjet printer that incorporates a platen plate with suction holes. This design optimizes the printing process by managing airflow through different suction paths, enhancing the performance of the ink discharge nozzles.

Career Highlights

Throughout his career, Yamagishi has worked with notable companies such as Riso Kagaku Corporation and Risko Kagaku Corporation. His experience in these organizations has allowed him to develop innovative solutions that address the challenges faced in the printing industry.

Collaborations

Yamagishi has collaborated with talented individuals in his field, including Tomohiko Shimoda and Masashi Hara. These partnerships have contributed to the advancement of printing technologies and have fostered a collaborative environment for innovation.

Conclusion

Ryota Yamagishi's contributions to printing technology through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence the development of more efficient and effective printing 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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